Circumference and area of a circle

The distance around a circle is called the (a)   . Type your answer.

Tags

CCSS.HSG.GMD.A.1

The number of square units inside a circle is called the (a)   . Type your answer.

Tags

CCSS.HSG.GMD.A.1

The circumference of the circle is

• 31.40 m

• 15.70 m

• 6.28 m

• 8.14 m

Tags

CCSS.HSG.GMD.A.1

The area of the circle is

• 50.24 cm²

• 25.12 cm²

• 12.56 cm²

• 7.14 cm²

Tags

CCSS.HSG.GMD.A.1

The formula for calculating the circumference of a circle is (2 x 3.14 x r).

• true

• false

Tags

CCSS.HSG.GMD.A.1

The formula for calculating the area of a circle is (3.14 x r x r).

• true

• false

Tags

CCSS.HSG.GMD.A.1

What is the circumference of the circle? Type your answer.

(a)  

Tags

CCSS.HSG.GMD.A.1

Which of the following is incorrect?

• The radius is 1/2 the length of the diameter.

• The pie of a circle is 3.14.

• Multiply the radius two times to get r² .

• The diameter divides a circle in quarters.

Tags

CCSS.7.G.B.4