N/A — Exam Answers

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What are the missing angle measures in triangle ABC ?

A
44.4 degrees and 45.6 degrees
B
1.4 degrees and 88.6 degrees
C
35.5 degrees and 54.5 degrees
D
18.6 degrees and 71.4 degrees
43

Kite EFGH is inscribed in a rectangle such that F and H are midpoints and EG is parallel to the side of the rectangle. Which statement describes how the location of segment EG affects the area of EFGH ?

A
The area of EFGH is 1 fourth of the area of the rectangle if cap e and cap g are not midpoints.
B
The area of EFGH is always 1 fourth of the area of the rectangle.
C
The area of EFGH is always 1 half of the area of the rectangle.
D
The area of EFGH is 1 half of the area of the rectangle only if cap e and cap g are midpoints.
44

What is the length of line segment DB ?

A
16 units
B
4 units
C
20 units
D
8 units
45

Which equation correctly uses the value of x to represent the cosine of angle cap A ?

A
cosine of open paren 53 degrees close paren is equal to y over 5
B
cosine of open paren 53 degrees close paren is equal to x over 4
C
cosine of open paren 53 degrees close paren is equal to 5 over y
D
cosine of open paren 53 degrees close paren is equal to 4 over x
46

Which angle is congruent to angle BAD ?

A
angle ACD
B
angle CAB
C
angle BCD
D
angle DBC
47

Which is a focus of the hyperbola shown?

A
open paren 25 comma 0 close paren
B
open paren negative 24 comma 0 close paren
C
open paren negative 20 comma 0 close paren
D
open paren 30 comma 0 close paren
48

What is the perimeter of rhombus WXYZ ?

A
square root of 13 units
B
12 units
C
20 units
D
4 square root of 13 units
49

What is the perimeter of rhombus LMNO?

A
48 units
B
24 units
C
20 units
D
40 units
50

Which expression represents the volume of the pyramid?

A
1 third n cubed open paren n minus 1 close paren units cubed
B
1 third n open paren n minus 1 close paren squared units cubed
C
1 third n open paren n minus 1 close paren units cubed
D
1 third n squared open paren n minus 1 close paren units cubed

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