Circles Quiz Grade 8

If r = 5.8cm, then C = ?

• 18.212cm

• 9.16cm

• 36.4cm

• 105.63cm

Tags

CCSS.7.G.B.4

If d = 17.4m, then A = ?

• 950.7m²

• 237.7m²

• 54.6m²

• none of these

Tags

CCSS.7.G.B.4

If C = 94.2cm, then A = ?

• 706.5cm²

• 2826cm²

• 655cm²

• 30cm²

If A = 530.66cm², then C = ?

• 169cm

• 40.82cm

• 20.41cm

• none of these

Tags

CCSS.7.G.A.1

A sector has an interior angle of 24 degrees. If the radius is 9cm, then the AREA is approximately...

• 21.8cm²

• 254.34cm²

• 10.6cm²

• 16.9cm²

Tags

CCSS.HSG.C.B.5

A sector has an interior angle of 270 degrees. If the radii that make up the sector are 4cm each, then the PERIMETER OF THE SECTOR is ...

• 18.84cm

• 26.84cm

• 22.84cm

• 25.12cm

Tags

CCSS.HSG.C.B.5

In the diagram, each square is 1 unit. Calculate the AREA inside the green lines.

• 6.28 units²

• 12.56 units²

• 4.71 units²

• none of these

What is the AREA of the shaded region?

• 17.415m²

• 99.415m²

• 63.585m²

• none of these

A circle has a circumference of 37.68cm. Which of the following is NOT TRUE...

• radius > 7cm

• diameter = 12cm

• area = 113.04cm²

• it would take a little more than 3 diameters to wrap around the outside of the circle

Tags

CCSS.7.G.B.4

1/4 of a circle has an AREA of 254.34cm². What is the diameter of the circle?

• 36cm

• 9cm

• 18cm

• 4.5cm

Tags

CCSS.7.G.B.4