Pi Circumference and Area of Circle

What is the radius of this circle?

• 18in

• 36in

• 9in

• 6in

Tags

CCSS.7.G.B.4

We use this value for PI:

• 3.14

• 314

• 3.41

• 31.519875

Tags

CCSS.HSG.GMD.A.1

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

The symbol for Pi is

• π

• Σ

• Ψ

• ⊈

Tags

CCSS.HSG.GMD.A.1

Which formula below would you use to find π?

• C/d = π

• C x d= π

Tags

CCSS.7.G.B.4

π is equal to circumference divided by _________________ .

• radius

• diameter

• area

• itself

Tags

CCSS.7.G.B.4

What is the Circumference of a plastic lid if the diameter is 7.8 cm?

• 14.3 cm

• 24.5 cm

• Use this Formula C = πd

Tags

CCSS.7.G.B.4

π is a ratio.

It compares a circle's ____________

to its diameter.

• radius

• diameter

• circumference

• itself

Tags

CCSS.7.G.B.4

Enrique purchases an antique bowl for his mom for Mother's Day. The diameter of the bowl is 18 cm. What is the circumference of the bowl? (Round to the nearest whole number.)

• 28 cm

• 57 cm

• 254 cm

• 1017 cm

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

Tags

CCSS.7.G.B.4