Geometry Circle Review Area, Circumference

What is the circumference of a circle with a radius of 12.7 m? 

• 79.76 m

• 80.34 m

• 14.56 m

• 80.00 m

Tags

CCSS.7.G.B.4

A car wheel has a diameter of 75 cm. What is the circumference of the wheel?

• 235.5 cm

• 245.5 cm

• 215.5 cm

• 225.5 cm

Tags

CCSS.7.G.B.4

What is the area of this composite shape? (Use 3.14 = π and round to the nearest tenths place)

• 21

• 19.2

• 40.2

• 42

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

What is the approximate area of the shaded region?

• 70 cm²

• 12 cm²

• 82 cm²

• 58 cm²

Find the radius of a circle that has a diameter of 60mm.

• 120mm

• 60mm

• 30mm

• 15mm

Tags

CCSS.7.G.B.4

Find the perimeter of the figure.  Use 3.14 for pi.

• 20.56 in.

• 17.3 in.

• 17.8 in.

• 31.88 in.

Tags

CCSS.3.MD.D.8

What is the perimeter of the semi-circle?

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd

Tags

CCSS.3.MD.D.8

What is the area of this circle?

• 50.27

• 78.23

• 98.12

• 201.06

Tags

CCSS.7.G.B.4

The diagram below shows the dimensions of Mrs. Patterson’s new swimming pool. A cover is needed for the pool, what will be the approximate area of the cover?

• 720

• 139.08

• 580.92

• 238.5