Circle: Word Problem Test

Answer explanation

C=Pi x d

C= 3.14 x 18
C= 56.52feet

Tags

CCSS.7.G.B.4

Remember to include the unit of measurement in your answers (cm. m. ft, inches, m2, cm2, etc.)

Answer explanation

C= Pi x d

C= 3.14 x 27

C= 84.78cm

Tags

CCSS.5.MD.A.1

Answer explanation

16 x 2 = 32

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

Answer explanation

C= 3.14 x 18

C= 56.52cm

Answer explanation

radius=6cm SO the diameter =12cm

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

• 10cm

• 5cm

• 6cm

• 12cm

Answer explanation

If the rectangle box measures 40cm divided by 4 cupakes, it gives us a diameter of 10cm each cupcake.

Then, the radius of each cupcake is 5cm .

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

Answer explanation

A= Pi x r

A= 3.14 x 2

A= 12.56 per each cookie

12.56 x 9 cookies = 113.04cm2 of total area

Tags

CCSS.6.G.A.1

• 7cm

• 14cm

• 153.86cm

Answer explanation

C= Pi x d

43.96 = 3.14 x d

43.96 divided by 3.14 = d

14 = d

Answer explanation

If the radius is 5, then the diameter is 10 inches.

C= Pi x diameter

C= 3.14 x 10

C= 31.40 inches

Tags

CCSS.7.G.B.4

• 502.4cm²

• 251.2cm²

• 5,024cm²

• 20,096cm²

Answer explanation

If the diameter of the carpet is 80cm, then the radius is 40cm.

A= Pi x r²

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6