Question

What is the formula for area of a triangle with base b and height h?
Responses
A
A = 1 bh
2A = 1 bh 2
B A = bhA = bh
C
A = 1 ( b1 + b2 )h
2A = 1 ( b 1 + b 2 )h 2
D A = b + h + b A = b + h + b
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Answer 1

Which equation can be used to find the area of the of the parallelogram?
Responses
A A = (7)(5)A = (7)(5)
B A = (15)(5)A = (15)(5)
C A = (15)(7)A = (15)(7)
D A = 10(5 + 7)

Answer 2

4 of 104 of 10 Items
07:21






Question
The table below shows the relationships between the area and perimeter of four squares.

Squares
Area, A
(square units) Perimeter, P
(units)
16 16
25 20
36 24
49 28

Which equation can be used to find A, the area of a square that has a perimeter of P units?
Responses
A A = P × 4A = P × 4
B A= (P + 4)A = ( P + 4)
C A = (P ÷ 4) × (P ÷ 4)A = ( P ÷ 4) × ( P ÷ 4)
D A= (P × 4) ÷ 4A = ( P × 4) ÷ 4
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Answer 3

5 of 105 of 10 Items
08:07












Question


Find the area of the trapezoid by composition of rectangle and triangles.
Responses
A 48
48 units 2
B 72
72 units 2
C 84
84 units 2
D 88
88 units 2

Answer 4

Find the area of trapezoid ABCD by decomposing it into a rectangle and triangle.
Responses
A 80
80 cm 2
B 96
96 cm 2
C 104
104 cm 2
D 112
112 cm 2
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Answer 5

Becca’s backyard is shaped like a trapezoid. The dimensions of the backyard are shown in the diagram.






What is the area of the backyard in square meters?
Responses
A 120 m2120 m 2
B 60 m260 m 2
C 48 m248 m 2
D 96 m296 m 2
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Answer 6

B
A = bh

Answer 7

C A = (15)(7)A = (15)(7)

Answer 8

B A= (P + 4)A = ( P + 4)

Answer 9

B 72 units^2

Answer 10

The correct response is D 112 cm^2.

Answer 11

The area of the backyard in square meters is D) 96 m2.