Topic Test Answers

49 verified answers
2
Free Preview

Nina was curious about the height of the Eiffel Tower. She used a 1.2 meter model of the tower and measured its shadow at 2 P.M. The length of the shadow was 0.9 meter. Then she measured the Eiffel Tower’s shadow, and it was 240 meters. What is the height of the Eiffel Tower?

Question illustration
A
.45
B
2880 m
C
30 m
D
320 m
3

Find the area of the triangle.

Question illustration
A
620 sq. m
B
200 sq. m
C
100 sq. m
D
180 sq.m
4

Michele wanted to measure the height of her school’s flagpole. She placed a mirror on the ground 48 feet from the flagpole, then walked backwards until she was able to see the top of the pole in the mirror. Her eyes were 5 feet above the ground and she was 12 feet from the mirror. Using similar triangles, find the height of the flagpole to the nearest tenth of a foot.

Question illustration
A
20 ft
B
38.4 ft
C
55 ft
D
25 ft
5

In each figure, . Determine whether the third figure is a translation image of the first figure. Write yes or no. Explain your answer.

Question illustration
A
Yes; it is one reflection after another with respect to the two parallel lines.
B
No; it is a reflection followed by a translation.
C
No; it is a reflection followed by a rotation.
D
No; it is one reflection after another with respect to the two parallel lines.
6

Find the perimeter of the polygon.

Question illustration
A
25 cm
B
20 cm
C
30 cm
D
28 cm
9

In each figure, . Determine whether the third figure is a translation image of the first figure. Write yes or no. Explain your answer.

Question illustration
A
Yes; it is one reflection after another with respect to the two parallel lines.
B
No; it is a reflection followed by a translation.
C
No; it is a reflection followed by a rotation.
D
No; it is one reflection after another with respect to the two parallel lines.
16

What are the first eight numbers in a Fibonacci sequence when n is equal to 1?

A
1,2,3,4,5,6,7,8
B
1,1,2,3,5,8,13,21
C
3,0,2,3,2,5,5,7
D
1,1,2,2,3,4,5,7
18

When calculating the circumference of a circle, sometimes the radius is given instead of the diameter. What is the relationship between radius and diameter?

A
radius is twice the diameter
B
diameter is half the radius
C
diameter is twice the radius
D
no relationship, can't find circumference with radius

Did you find these answers helpful?