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16. (6.g.1) a diagram of joes living room wall with a geometric design …

Question

  1. (6.g.1) a diagram of joes living room wall with a geometric design is shown. joe painted the shaded triangle on the living room wall.

what is the area, in square feet, of the shaded triangle that joe painted?
a 20
b 28
c 48
d 96

  1. (6.g.3) a rectangle is graphed on a coordinate plane. the coordinates for two of the vertices are (-5,8) and (-5,-6). what is the distance between the two vertices?

a 2 units
b 4 units
c 10 units
d 14 units

  1. (6.g.2) a right rectangular prism has a base with an area of 25 ½ square feet and a volume of 153 cubic feet. what is the height, in feet, of the right rectangular prism?

a 6
b 51
c 127 ½
d 3901 ½

  1. (6.g.1) a shape is made of 12 right triangles of equal size. each right triangle has a base of 4cm and a height of 5 cm. what is the total area, in square centimeters, of the shape?

a 10
b 60
c 120
d 240

  1. (6.g.4) mark graphed points on the coordinate plane below to represent the locations of his school and a bank.

mark wants to add the location of the library on the coordinate plane. the distance from the library to the school is the same as the distance from the bank to the school. which coordinate pair could be the coordinates of the library?
a (2,4)
b (2,8)
c (4,4)
d (6,8)

Explanation:

Step1: Calculate single triangle area

The area of one right triangle is $\frac{1}{2} \times \text{base} \times \text{height} = \frac{1}{2} \times 4 \times 5 = 10$ cm²

Step2: Find total area of 12 triangles

Total area = $12 \times 10 = 120$ cm²

Step1: Identify triangle base and height

The triangle has base $12$ ft, height $8$ ft.

Step2: Calculate triangle area

Area = $\frac{1}{2} \times 12 \times 8 = 48$ square feet

Step1: Use vertical distance formula

Since x-coordinates are equal, distance = $|y_1 - y_2|$

Step2: Compute the distance

Distance = $|8 - (-6)| = |14| = 14$ units

Step1: Recall prism volume formula

Volume $V = \text{base area} \times \text{height}$, so $\text{height} = \frac{V}{\text{base area}}$

Step2: Substitute values and calculate

Base area = $25\frac{1}{2} = \frac{51}{2}$ ft², $V=153$ ft³.
Height = $\frac{153}{\frac{51}{2}} = 153 \times \frac{2}{51} = 6$ ft

Answer:

C 120

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