Homework Explained - Math Practice 101

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Chapter 8: Measure Figures; Lesson 1: Circumference

Find the radius or diameter of each circle with the given dimension.

• Question 1

d = 3 m

•  $$r=$$ $$\text{m}$$
• Question 2

r = 14 ft

•  $$d=$$ $$\text{ft}$$
• Question 3

d = 20 in

•  $$r=$$ $$\text{in}$$

Find the circumference of each circle. Use 3.14 or$$\frac{22}{7}$$ for $$\pi$$. Round to the nearest tenth if necessary.

• Question 4

•  $$C\approx$$ $$\text{m}$$
• Question 5

•  $$C\approx$$ $$\text{yd}$$
• Question 6

Building on the Essential Question A circle has a circumference of about 16.3 meters and a diameter of about 5.2 meters. What is the relationship between the circumference and diameter of this circle?

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