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Geometric Modeling in Two- and Three- Dimensions — Test Answers

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Figure ABCD is a parallelogram. Two trapezoids are created using line segment XY such that line segment AX is congruent to line segment CY What is true about the areas of the trapezoids?

A
The area of AXYD is greater than the area of BXYC .
B
The area of AXYD is less than the area of BXYC .
C
Each area is equal to the area of ABCD .
D
Each area is equal to half of the area of ABCD .
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What is the area of parallelogram RSTU ?

A
21 square units
B
24 square units
C
28 square units
D
32 square units
23

What is the volume of the cone?

A
32 pi cubic units
B
24 pi cubic units
C
64 pi cubic units
D
48 pi cubic units
25

What is the area of triangle LMN ?

A
14 square units
B
12 square units
C
24 square units
D
15 square units

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