What is the name for the part of the circle labeled by the letter A? (It is the distance from the center of the circle to the "edge").

• radius

• diameter

• circumference

• center

What is the name for the part of the circle labeled by the letter C? (It is the line that divides the circle in half)

• radius

• diameter

• circumference

• center

What is the name for the part of the circle labeled by the letter B? (It is the midpoint of the circle)

• radius

• diameter

• circumference

• center

What is the name for the part of the circle labeled by the letter D? (It is the distance around the circle)

• radius

• diameter

• circumference

• center

What is the formula to find the length of the diameter of a circle given the radius?

• $d=\frac{1}{2}r$

• $d=2r$

• $d=\frac{C}{\pi}$

• $d=\pi r^2$

Tags

CCSS.7.G.B.4

Which of the following is the formula to find the circumference of a circle?

• $C=\frac{d}{\pi}$

• $C=\pi r^2$

• $C=\pi\cdot d$

• $C=\frac{1}{2}d$

Tags

CCSS.7.G.B.4

Which of the following is NOT an approximate value for pi ( $\pi$ )? 

•  $3.14$  

•  $\frac{22}{7}$  

•  $3.29$  

Tags

CCSS.HSG.GMD.A.1

Find the circumference of the circle shown. Use 3.14 for $\pi$  

• 69.08 ft.

• 34.54 ft.

• 379.94 ft.

• 187.53 ft.

Tags

CCSS.7.G.B.4

Find the circumference of the circle shown. Use 3.14 for $\pi$

• 12.56 km.

• 25.12 km.

• 6.28 km.

• 4 km.

Tags

CCSS.7.G.B.4

Find the circumference of the circle shown. Use 3.14 for $\pi$

• 43.96 yd

• 21.98 yd

• 153.86 yd

• 14 yd

Tags

CCSS.7.G.B.4