幾何
三角形、圓、解析幾何與證明題。
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planes find the coordinates of point y. a. (4 4/5, 2 4/5) b. (4 4/5, 3 …
B. \((4\frac{4}{5},3\frac{4}{5})\)
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11. the map shows a portion of downtown prairie view. 1st avenue is par…
$m\angle1 = 127^{\circ}$ $m\angle3 = 127^{\circ}$ $m\angle4 = 53^{\circ}$ $m\angle5 = 127^{\circ}$ $m\angle6 = 53^{\circ}$ $m\angle7 = 127^{\circ}$ $m\angle8 = 53^{\circ}$
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what is the length of the missing leg? if necessary, round to the neare…
76
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what is the length of the hypotenuse? if necessary, round to the neares…
89.0
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what is the length of the missing leg? if necessary, round to the neare…
72
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what is the length of the missing leg? if necessary, round to the neare…
65
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what is the length of the missing leg? if necessary, round to the neare…
63
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what is the length of the missing leg? if necessary, round to the neare…
15
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what is the length of the missing leg? if necessary, round to the neare…
12
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preparing for chapter 3 please define the following review vocabulary t…
1. Definition: An angle whose measure is between 0° and 90°. Example: 30 - degree angle 2. Definition: An angle whose measure is between 90° and 180°. Example: 120 - degree angle …
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what is the length of the missing leg? if necessary, round to the neare…
80
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which angles are adjacent angles? ∠pol and ∠poq ∠pol and ∠mlo ∠pol and …
∠POL and ∠POQ
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what is the length of the missing leg? if necessary, round to the neare…
33
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which angles are alternate interior angles? ∠tur and ∠sru ∠qrp and ∠srp…
$\angle TUR$ and $\angle SRU$
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65 yd. 63 yd. what is the length of the missing leg? if necessary, roun…
16
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for exercise 12, select the best answer. 12. which of the following sta…
A. 90° counterclockwise rotation
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which angles are consecutive interior angles? ∠rqt and ∠utq ∠pqt and ∠r…
$\angle RQT$ and $\angle UTQ$
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which angles are alternate exterior angles? ∠hge and ∠ijl ∠hge and ∠ij …
$\angle HGE$ and $\angle IJL$
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12. what is the complement of a 40° angle? 13. what is the supplement o…
12. \(50^{\circ}\) 13. \(45^{\circ}\) 14. \(x = 30\)
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which angles are supplementary angles? ∠onp and ∠lkn ∠onp and ∠jkl ∠onp…
∠ONP and ∠ONK
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11. c (x + 12)° (3x + 2)° e d ___ = x ___ = m∠bec
$x = 19$, $m\angle BEC=31^{\circ}$
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which angles are consecutive interior angles? ∠mln and ∠kln ∠jil and ∠h…
$\angle KLI$ and $\angle HIL$
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a c b d (8x)° (x + 27)° ____ = x ____ = m∠acd ____ = m∠dcb ____ = m∠acb
$x = 17$, $m\angle ACD=136^{\circ}$, $m\angle DCB = 44^{\circ}$, $m\angle ACB=180^{\circ}$
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1 matching 1 point match the following vocabulary words about transform…
Translation: A transformation that moves every point of a figure the same distance in the same direction. Reflection: A transformation that flips a figure over a line of reflectio…
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which angles are alternate interior angles? ∠bca and ∠bcf ∠gfc and ∠dca…
\(\angle DCF\) and \(\angle EFC\)
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9. a c b (3x + 50)° (x + 10)° d ____ = x ____ = m∠acd ____ = m∠bcd 12
$x = 30$, $m\angle ACD=140^{\circ}$, $m\angle BCD=40^{\circ}$
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for exercises 9 and 10, use the graph. 9. what transformation maps tria…
9. The transformation is a translation 3 units to the right and 4 units down. 10. $\frac{R'S'}{Q'R'}=\frac{3}{1}$, $\triangle Q'R'S'$ is not similar to $\triangle QRS$.
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which angles are alternate interior angles? ∠stq and ∠stv ∠stq and ∠pqt…
$\angle STQ$ and $\angle PQT$
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8. (3x + 15)° (2x + 50)° ____ = x ____ = m∠aec ____ = m∠bed
$x = 35$, $m\angle AEC=120^{\circ}$, $m\angle BED=120^{\circ}$
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reflect def over the y - axis. record the new coordinates of the image …
$D':(-1,-2)$ $E':(-4,-7)$ $F':(-1,-7)$
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7. ∠abc and ∠def are supplementary angles. (7x - 46)° (3x + 6)° ______ …
$x = 22$ $m\angle ABC=108^{\circ}$ $m\angle DEF=72^{\circ}$
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which is not true statement about the transformation shown below? the t…
The statement "The orientation of the vertices stayed the same" is not true.
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translate figure stuv 7 units down and 5 units left. record the coordin…
(-1, -1)
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which angles are corresponding angles? ∠lmp and ∠qpm ∠lmp and ∠nmp ∠lmp…
$\angle LMP$ and $\angle QPM$
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for exercise 8, select all statements that are true. 8. consider the gr…
B. $\triangle A'B'C'$ is the image of a reflection of $\triangle ABC$ across the y - axis. D. The x - coordinates of the vertices of $\triangle ABC$ and its image $\triangle A'B'C…
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which describes the transformation shown below? translation left and up…
Translation right and down
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which angles are alternate exterior angles? ∠hik and ∠efi ∠hik and ∠jik…
$\angle HIK$ and $\angle GFD$
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from unit 1, lesson 11 select all the points that stay in the same loca…
B. Point B, C. Point C
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17 multiple choice 1 point point j (-8, -12) is reflected over the x - …
C. $(-8,12)$
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5. x = m∠aed =
$x = 30$, $m\angle AED=80^{\circ}$
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angles on the same side of the transversal and inside the parallel line…
1. Same - side interior 2. Supplementary 3. Vertical
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16 fill in the blank 1 point triangle ijk has the coordinates listed. i…
$(-10,-8)$
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which angles are vertical angles? ∠feh and ∠deh ∠ghj and ∠fec ∠ghe and …
$\angle GHE$ and $\angle IHJ$
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a e b ____ = x ____ = m∠aec ____ = m∠bec d (6x + 2)° (2x + 8)° c
$x = 10$, $m\angle AEC=152^{\circ}$, $m\angle BEC=28^{\circ}$
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reflect jkl over the x - axis. record the coordinates of the image belo…
J'(-6,7), K'(-5,2), L'(-2,3)
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3. ∠abc and ∠def are supplementary angles. ______ = x ______ = m∠abc __…
\(x = 30\), \(m\angle ABC=40^{\circ}\), \(m\angle DEF=140^{\circ}\)
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an algebraic rule of (x, y) → (-x, y) is reflection across the choose y…
y - axis
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lines that never intersect and are always the same distance apart are c…
1. Parallel lines 2. Transversal 3. Corresponding 4. Alternate - interior 5. Alternate - exterior
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in a translation, subtracting from the y - value will result in a horiz…
down
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in a translation, adding to the y - value will result in a horizontal m…
up
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while performing a piece of music, katie strikes the cymbals every 4 be…
12
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which transformation is shown on the coordinate plane below? choose you…
reflection
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which transformation is shown on the coordinate plane below? choose you…
reflection
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which transformation is shown on the coordinate plane below? choose you…
translation
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vocabulary activity use the words from the word bank to complete each s…
1. AA Similarity 2. rotation 3. similar 4. dilation 5. translation 6. congruent 7. reflection
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if one corresponding angle measures 110 degrees, what is the measure of…
a. 110 degrees d. 40
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select all the pairs of adjacent angles. ∠rqs and ∠rqn ∠onq and ∠rqn ∠p…
∠RQS and ∠RQN, ∠ONQ and ∠RQN, ∠PQN and ∠RQN
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if one angle formed by a transversal intersecting parallel lines is 65 …
1. B. 65 degrees 2. A. Consecutive interior angles
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question 3 of 13, step 1 of 1 two angles are complementary if the sum o…
The smaller complementary angle: $34.67^{\circ}$ The larger complementary angle: $55.33^{\circ}$
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what is the length of the missing leg? if necessary, round to the neare…
20
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what is the length of the missing leg? if necessary, round to the neare…
6
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what is the length of the missing leg? if necessary, round to the neare…
12
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which angles are vertical angles? ∠jif and ∠jik ∠jif and ∠efd ∠jif and …
$\angle JIF$ and $\angle HIK$
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what is the length of the missing leg? if necessary, round to the neare…
48
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8 | lesson: transversals and parallel lines: solving unknown a... which…
1. c. Alternate exterior angles 2. d. 45 degrees
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13. - / 1 points find the area of a sector with central angle 1 rad in …
$98$
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which angles are consecutive interior angles? ∠qru and ∠tuw ∠qru and ∠s…
$\angle QRU$ and $\angle TUR$
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which angles are alternate exterior angles? ∠srp and ∠tuw ∠tur and ∠qrp…
$\angle SRP$ and $\angle TUW$
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what is the relationship between corresponding angles when a transversa…
1. d. They are equal 2. a. 30
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which angles are adjacent angles? ∠qrt and ∠qro ∠nom and ∠qrt ∠sro and …
$\angle QRT$ and $\angle QRO$
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you move left 7 units and down 3 units. you end at (-5, -3). where did …
$(2,0)$
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which angles are alternate exterior angles? ∠mnl and ∠rqs ∠mnl and ∠mnq…
$\angle MNL$ and $\angle PQS$
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you start at (0, 0). you move up 3 units and left 4 units. where do you…
$(-4,3)$
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you move right 6 units and up 1 unit. you end at (4, -1). where did you…
$(-2,-2)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
85
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11. diagonalization. cantors proof is often referred to as \cantors dia…
The name is reasonable because the proof's key step involves manipulating the diagonal elements of a given list of infinite - length objects (such as real numbers in decimal repre…
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in a right triangle, a and b are the lengths of the legs and c is the l…
35
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which angles are adjacent angles? ∠rsv and ∠tsv ∠rsq and ∠wvx ∠rsv and …
$\angle RSV$ and $\angle TSV$
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in a right triangle, a and b are the lengths of the legs and c is the l…
34
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which angles are adjacent angles? ∠hif and ∠jik ∠efd and ∠hif ∠efd and …
$\angle EFD$ and $\angle EFI$
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you start at (4, 5). you move left 2 units and right 2 units. where do …
$(4,5)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$2.2$
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which angles are vertical angles? ∠rqt and ∠stv ∠pqo and ∠rqt ∠stq and …
∠RQO and ∠UTQ
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select all the pairs of alternate interior angles. ∠wxu and ∠vux ∠yxz a…
\(\angle WXU\) and \(\angle VUX\), \(\angle YXU\) and \(\angle TUS\), \(\angle YXU\) and \(\angle TUX\)
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select all the pairs of corresponding angles.
∠EFH and ∠DCF, ∠DCA and ∠GFH, ∠DCF and ∠GFH
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you start at (0, -4). you move down 1 unit and right 1 unit. where do y…
\((1, - 5)\)
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you start at (3, 5). you move down 3 units and right 1 unit. where do y…
$(4,2)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$6.0$
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which angles are alternate interior angles? ∠jkn and ∠onk ∠jkn and ∠jki…
$\angle{JKN}$ and $\angle{ONK}$
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answer questions about unions, strikes, and government policies. 1. nat…
1. What it was: An early major labor organization in the US. How it aided or harmed workers: Aided by uniting for better conditions, shorter hours, and higher wages; promoted 8 - …
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which angles are vertical angles? <dcf and <dca <dca and <gfc <efc and …
∠EFC and ∠GFH
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jamarion bruce q1 - accelerated mathematics gr 8 | unit test 18. if a f…
B. $(y,x)$
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find the area a of the sector shown in each figure. (a)
$7.3\pi\approx22.922$
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you start at (4, 4). you move left 1 unit and up 1 unit. where do you e…
$(3,5)$
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problem 4 each small square in the graph paper represents 1 square unit…
The area of figure A is 8 square units. The area of figure B is 11 square units.
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you start at (1, 1). you move down 3 units and right 3 units. where do …
$(4, - 2)$
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jamarion bruce q1 - accelerated mathematics gr 8 | unit test 23. if a r…
a. Translation
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what is the measure of ∠p? 180 degrees 65 degrees 115 degrees none of t…
115 degrees
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which angles are vertical angles? ∠mnp and ∠lkn ∠jki and ∠lki ∠jki and …
$\angle JKI$ and $\angle LKN$
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22. what must be true about the corresponding side lengths of similar f…
C. They are proportional