Log in
Sign up for FREE
arrow_back
Library

G - Unit 7 - Lesson 8-13 review

star
star
star
star
star
Last updated almost 4 years ago
11 questions
1
Question 6
6.

A circle has radius 3 centimeters. Suppose an arc on the circle has length 4\pi centimeters.

What is the measure of the central angle whose radii define the arc?

…
1
1
Question 1
1.

What is the scale factor?

1
Question 2
2.

What is the length of the highlighted arc in circle A? (use keyboard and NO units)

1
Question 3
3.

What is the length of the highlighted arc in circle B? (use keyboard and NO units)

1
1
Question 7
7.

Match each arc length and radius with the measure of the central angle that defines the arc.

Draggable itemarrow_right_altCorresponding Item
arc length 5\pi cm, radius 5 cm
arrow_right_alt
angle: 30 degrees
arc length 3\pi cm, radius 18 cm
arrow_right_alt
angle: 72 degrees
arc length 4\pi cm, radius 10 cm
arrow_right_alt
angle: 135 degrees
arc length 9\pi cm, radius 12 cm
arrow_right_alt
angle: 180 degrees
1
Question 8
8.

Find the area of the sector. (use keyboard and NO units)

1
Question 9
9.

Find the area of the sector. (use keyboard and NO units)

1
Question 10
10.

Find the area of the sector. (use keyboard and NO units)

1
Question 11
11.

Find the area of the sector. (use keyboard and NO units)

Question 4
4.

What is the ratio of the arc lengths?

Question 5
5.

How does the ratio of the arc length compare to the scale factor?