Circles - Understanding Pi

The ratio of the (a)   and diameter equals pi.

Tags

CCSS.7.G.B.4

To find the circumference you multiply the (a)   by pi.

Tags

CCSS.7.G.B.4

Pi is approximately equal to (a)   .

Tags

CCSS.HSG.GMD.A.1

What is the radius?

• 66 in

• 22 in

• 33 in

• 132 in

Tags

CCSS.7.G.B.4

What is the diameter of the circle?

• 5 yd

• 15 yd

• 10 yd

• 6 yd

Tags

CCSS.7.G.B.4

Find the circumference of the pie. Use  $pi\ \approx\ 3.14$  

• 12.56 yd

• 10.64 yd

• 12.22 yd

• 7.12 yd

Tags

CCSS.7.G.B.4

Find the circumference of the pie. Use $\pi\approx\frac{22}{7}$   

• 7 in

• 14 in

• 44 in

• 21 in

Tags

CCSS.7.G.B.4

Find the circumference of the pie. Use $\pi\approx3.14$   

• 20 ft

• 40 ft

• 64.82 ft

• 62.8 ft

Tags

CCSS.7.G.B.4

Find the circumference of the pie. Use $\pi\approx3.14$   

• 25.12 in

• 22.15 in

• 20.12 in

• 10.25 in

Tags

CCSS.7.G.B.4