Circle Grade 6

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2

• Add 2 to the diameter

• Divide the diameter by 2

• Subtract 2 from the diameter

Which segment is a radius?

• LM

• DC

• BD

• ML

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area? (Take π as 3,14)

• 49.2 cm²

• 50.24 cm²

• 45.6 cm²

• 55.9 cm²

A quadrant has a radius of 10 m.

Find the area of the quadrant. (Take π as 3.14).

• 78.5 m²

• 79.5 m²

• 75.5 m²

• 68.5 m²

Rian ordered a pizza that is a circle of radius 10 cm.

He divided it into 4 equal pieces.

What is the area of each piece of pizza?

(Take π as 3.14)

• 78.7 cm²

• 87.5 cm²

• 88.5 cm²

• 78.5 cm²

A quadrant has a radius of 56 m. Find the perimeter of the quadrant. (Take π as 3.14)

• 19.92 m

• 19.2 m

• 199.92 m

• 99.92 m

A semicircle has a radius of 5 m.

Find the area of the semicircle. (Take π as 3.14)

• 9.25 m²

• 39.25 m²

• 99.5 m²

• 39.52 m²

A ball has a circumference of 9.42 cm. What is the diameter? (Take π as 3.14)

• 29.5788 cm

• 3 cm

• 59.1576 cm

• 1.5 cm

If the diameter of a circle is 142 millimeters, then what is the radius?

• 42 mm

• 45.8 mm

• 203.25 mm

• 71 mm

Find the area of the quadrant circle! Take π= 22/7

• 38.5 cm²

• 27.5 cm²

• 28.5 cm²

• 88.5 cm²