幾何
三角形、円、座標幾何、証明問題。
-
15 directions - graph the compound inequality: (x < - 2) or (x>5)
We use an open - circle at $x=-2$ and draw an arrow to the left, and an open - circle at $x = 5$ and draw an arrow to the right.
-
c) classify: ____
Acute triangle
-
examine the transformation below. what sequence of transformations coul…
90° clockwise rotation, translate 2 units left
-
examine the image below. if △xyz is reflected across the y - axis then …
(2, 2)
-
examine the image below. if $delta xyz$ is reflected across the y - axi…
$(2,-3)$
-
a parking lot has a length of 32 meters and a width of 24 meters. emili…
Length: 4 in, Width: 3 in
-
draw the angle in standard position. state the quadrant in which the an…
The angle $\frac{\pi}{3}$ lies in the first - quadrant. The correct graph is the one where the terminal side of the angle in standard position lies in the first quadrant. Without …
-
a wooden floor has a length of 27 yards and a width of 18 yards. hannah…
Length: 9 in, Width: 6 in
-
lupe made a scale drawing of a swimming pool that has a scale of 1 inch…
Length: 6 in, Width: 4 in
-
a. minimum at (4, 8) b. when the bird is 4 feet away from the first fen…
If we assume the correct minimum point is at (4, 8) (where 4 is the distance from the first fence post and 8 is the height in feet), then the correct statements are: A. Minimum at…
-
below are two scale drawings of a rug that has a length of 12 feet and …
1. For the first drawing: 4 2. For the second drawing: 2
-
10 fill in the blank 1 point use the diagram below to answer questions …
1. $LN = 37$ 2. $MN=23$
-
convert the angle in radians to degrees. - 3.2 radians - 3.2 radians = …
$-183.35$
-
point d is in the interior of $angle abc$, $mangle abc = 10x - 7$, $man…
$77$
-
mr. sawicki made a scale drawing of a basketball court where the scale …
Length: 5 inches, Width: 3 inches
-
the length of a rectangle is four more than double the width. if the pe…
The width is 16 inches. The length is 36 inches.
-
8 fill in the blank 1 point point d is in the interior of ∠abc, m∠abc =…
$77^{\circ}$
-
mr. sawicki made a scale drawing of a basketball court that has a scale…
The length of the scale - drawing is 10 inches and the width is 6 inches.
-
multiple choice 1 point what are the coordinates of the mid - point of …
6. A. (1, 2) 7. C. 29
-
2 fill in the blank 1 point if uw = 6x - 35, find uw. 19 4x - 20 u v w …
2. UW = 67 3. A. 10.5, 8 B. 9 C. 4.5
-
read the passage from sugar changed the world. one of these early hindu…
Hindus who lived in ancient times believed that sugar had powerful properties.
-
read the passage from sugar changed the world. one of these early hindu…
"sugar cane was now an ingredient in ceremonies involving fire", "Perhaps that transformation itself seemed magical", "sugar cane is called ikshu, which means'something that peopl…
-
find the midpoint of the line segment shown below. midpoint = question …
$(-2,0.5)$
-
for exercises 17 - 32, information about a circle is given. a. write an…
1. **For problem 17**: - **a. Write the equation of the circle in standard - form**: - The standard form of a circle equation is \((x - h)^2+(y - k)^2=r^2\), where \((h,k)\) is th…
-
determine whether a triangle with the given side lengths is a right tri…
(a) Not a right triangle (b) Not a right triangle (c) Right triangle (d) Not a right triangle
-
convert the angle in degrees to radians. round to two decimal places. 1…
$2.25$
-
determine whether a triangle with the given side lengths is a right tri…
(a) Not a right triangle (b) Not a right triangle (c) Right triangle (d) Right triangle
-
a grain silo has a cylindrical shape. its diameter is 17 ft, and its he…
$8848$ $ft^{3}$
-
convert the angle in radians to degrees. - 13π radians - 13π radians = …
$-2340$
-
convert the angle in radians to degrees. $\frac{11pi}{6}$ radians $\fra…
$330$
-
the radius of a cylindrical construction pipe is 2 ft. if the pipe is 2…
$251$ ft$^{3}$
-
convert the angle in degrees to radians. - 690° - 690° = radians (simpl…
$-\frac{23\pi}{6}$
-
convert the following angle in degrees to radians. 225° 225° = radians …
$\frac{5\pi}{4}$
-
convert the following angle in degrees to radians. 117° 117° = radians …
$\frac{13\pi}{20}$
-
select the correct answer. what is the correct definition of the given …
Confusing; stirring things up
-
(a) use the names of the sets to label the regions of the venn diagram.…
(a) Innermost circle: Whole numbers; Middle - sized circle: Integers; Largest circle: Rational numbers; Region outside largest circle: Irrational numbers (b) 1. True 2. False 3. F…
-
what is the correct definition of the given vocabulary word? hypnotic b…
Producing a dazed state or a trance
-
let θ be an angle in standard position. name the quadrant in which θ li…
B. I
-
the width of a rectangle measures (9s + 6) centimeters, and its length …
$14 + 20s$
-
use the circle shown in the rectangular coordinate system to draw an an…
The angle of 420° in standard position lies in the first quadrant. (The figure that shows an angle of 60° counter - clockwise from the positive x - axis is the correct one for 420…
-
the point k lies on the segment $overline{jl}$. find the coordinates of…
$(14,-7)$
-
convert the following angle in degrees to radians. 210° 210° = radians …
$\frac{7\pi}{6}$
-
the width of a rectangle measures (5v - 2w) centimeters, and its length…
$10w + 22v$
-
the point n lies on the segment mp. find the coordinates of n so that m…
\((6,3)\)
-
the width of a rectangle measures (9v - 5w) centimeters, and its length…
$36v + 2w$ (corresponding to the option "36v + 2w")
-
task c: dinosaurs binta and darius are making scale drawings of one of …
## Task C - Partner A 1. The dinosaur will take up less space in Darius's drawing because his scale (1 cm represents 7.5 m) has a larger real - world distance per centimeter on th…
-
6. find the exact simplified (no decimals) length of each segment below…
$AB=\sqrt{37}$, $JX = 5\sqrt{2}$, $GH=5\sqrt{2}$; $\overline{JX}$ and $\overline{GH}$ are congruent.
-
use reference angles to find the exact value of the following expressio…
A. \(\tan\frac{9\pi}{4}=1\)
-
7. find the midpoint of a line segment with endpoints a(4, 7) and b(2, …
$(3,4)$
-
use the circle shown in the rectangular coordinate system to draw an an…
The angle of \(510^{\circ}\) in standard position lies in the second quadrant. Without seeing the actual figures A, B, C, D, we can't choose the correct figure, but the angle shou…
-
convert the following angle in degrees to radians. 255° 255° = radians …
$\frac{17\pi}{12}$
-
a triangle has side lengths of (3q + 1) centimeters, (5q - 3) centimete…
$8q - 11 + r$
-
find the endpoint of the segment with endpoint (4, 12) and midpoint (-1…
$(-6,14)$
-
given: abcd is a parallelogram. prove: ab ≅ cd and bc ≅ da. assemble th…
AB = CD and BC = DA are proved as above.
-
devin started the work shown to solve for the unknown angle measures. 1…
\(m\angle Q = 93^{\circ}\) \(m\angle R = 87^{\circ}\)
-
teo rides his bike in a straight line from his location, perpendicular …
(10, 2)
-
6. find the distance between points a = (9, 7) and b = (4, 3). round yo…
$6.4$
-
using the supplementary consecutive angles theorem. manuela is making a…
64°
-
1) translate it by moving it left 3 and down 4. 3) rotate △car if c(-1,…
The new coordinates of $\triangle CAR$ after a 180° rotation around the origin are C'(1,4), A'(-2,-6), R'(4,2).
-
task a: two buildings taylor and anand made scale - drawings of two bui…
Partner A: 1. The actual height of the library is 22.5 m. 2. The width of the museum on the scale - drawing should be 5 cm. Partner B: 1. The actual height of the museum is 31.5 m…
-
date: ______________ bell: ______________ homework 7: combining like te…
1. \(-y\) 2. \(-4x + 1\) 3. \(9a-7\) 4. \(-11y+19\) 5. \(14x-2\) 6. \(-14w + 4\) 7. \(7d-6\) 8. \(-5x+45\) 9. \(2a + 5\) 10. \(-2xy + 5y-9x\) 11. \(2x+11y + 4\) 12. \(-3f-12g-4\) …
-
5. b is the midpoint of line segment ac. if ab = x+2 and bc = 30, find …
$x = 28$
-
partner a 1. what is the actual height of the library? 2. the actual mu…
1. Cannot be determined without height on drawing and scale - factor. If scale is 1:500 and height on drawing is \(h_d\) cm, actual height \(h_a=\frac{h_d\times500}{100}\) meters.…
-
a 30 - m tall building casts a shadow. the distance from the top of the…
$19.9$
-
rs is the segment bisector. if oq = 32 and po = 4x, what does x equal?
8
-
6. the formula for the surface area s of a cone is s = πr²+ πrs, where …
The slant height s is approximately 5.0 feet.
-
a kite is flying 12 ft off the ground. its line is pulled taut and cast…
15
-
assume angles are in degrees. \\(\\sin(354)\\) is the same as (a) \\(\\…
E. $\sin(-6)$
-
a ship named the rosalie was seen in the bermuda triangle in 1840. the …
B. a fire, E. an accident
-
15 multiple choice 5 points rectangle abcd is shown on the grid. what i…
34 square units
-
given abcd is a parallelogram. prove: ∠a≅∠c and ∠b≅∠d. by the definitio…
- Using AD as a transversal, ∠A and ∠D are same - side interior angles, so they are supplementary. - Using side BC as a transversal, ∠B and ∠C are same - side interior angles, so …
-
this question has two correct answers. select both. press the submit bu…
A. trucks B. boats
-
is ab parallel to cd? explain. no, because the slopes of the lines are …
No, because the slopes of the lines are not equal.
-
problem 9: spiral review determine the missing angle measure in the equ…
60°
-
4. if ab = 20 and ac = 30, then find the value for bc. be sure to inclu…
$10$
-
multiple choice 5 points rectangle abcd is shown on the grid. what is t…
34 square units
-
read the excerpt. select the correct answer and press the submit button…
C. give the idea that people are still interested in stories about the Bermuda Triangle.
-
b is the midpoint of ac. find ab. a 7x - 6 b 12 - 2x c
8
-
4. if ab = 20 and ac = 30, then find the value for bc. be sure to inclu…
4. \(BC = 10\) 5. \(x = 28\)
-
solve for the value of b.
\(b = 4\)
-
this selection gives facts and details about the bermuda triangle. this…
C. informational
-
line l bisects the segment. find the length of ab.
$5.8$
-
solve for the value of v.
38
-
find the midpoint between a(-5, 25) and b(7, 15) midpoint=( , )
$(1,20)$
-
solve for the value of x.
98
-
solve for the value of k.
$k = 15$
-
if (lparallel mparallel n), find the value of (x). (8x - 11)° (7x + 8)°
\(x = 19\)
-
given (mparallel n), find the value of (x). answer attempt 1 out of 3 (…
23
-
given m||n, find the value of x. answer attempt 1 out of 3 x =
33
-
card letter: g answer from previous card: 90° complimentary next questi…
One possible set of vertical angles (assuming appropriate angle - naming in the drawing) is the pair of angles that are opposite each other at the intersection of the two lines.
-
given m||n, find the value of x. answer attempt 1 out of 3 x =
\(33\)
-
8. consider the following graph of a line. 8a what is the slope of the …
$4$
-
find the length of the segment. round to two decimal places if necessar…
\(14.76\)
-
the length of a shadow of a building is 30 m. the distance from the top…
$21.7$
-
19. multiple choice 5 points what is the equation of the line that is p…
$(5,-14)$
-
multiple choice 5 points ilana wants to find the perimeter of triangle …
13 units
-
y = \\frac{1}{2}\\sin x plot all points corresponding to x - intercepts…
The x - intercepts are $(0,0),(\pi,0),(2\pi,0)$; the maximum point is $(\frac{\pi}{2},\frac{1}{2})$; the minimum point is $(\frac{3\pi}{2},-\frac{1}{2})$
-
graph the ellipse. 9x² + 4y² = 36
Sketch an ellipse centered at the origin with vertices $(0,3),(0, - 3),(2,0),(-2,0)$
-
14 multiple choice 5 points what is the distance between the two points…
For the distance between $P(2,8)$ and $B(1,3)$: $\sqrt{26}$; For the perimeter of $\triangle ABC$: approximately $15$ units.
-
11 multiple choice 5 points what is the slope of a line that is perpend…
11. D. 4 12. C. \((7,6)\)