Area of a Circle

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

_{What is the diameter?}

• 5 in

• 10 in

• 3.14 in

• 15.84 in

What is the radius of this circle?

• 18
• 10
• 9
• 8

A circle has a radius of 10 dm. Find its area.

• 15.70 dm²

• 31.40 dm²

• 62.80 dm²

• 314 dm²

Find the area of a round plate with a radius of 3 dm

• .282.6 dm²

• 28.26 dm²

• . 2.286 dm²

• 0.2286 dm²

Find the area

Radius of 2 cm

• 50.24 cm²

• 5.024 cm²

• 0.524cm²

Find the area

Diameter of 6 cm

• 1.826 cm²

• 28.26 cm²

• 2.826 cm²

Find the area of a circle.

• 314 cm²

• 315 cm²

• 316 cm²

What is the area of this circle?

• 8322.13 cm²
• 1133.54 cm²
• 4536.46 cm²
• 1267.09 cm²

Tags

CCSS.HSG.GMD.A.1