Circles

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

TEKS.MATH.7.9B

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²

Tags

TEKS.MATH.7.9B

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

Tags

TEKS.MATH.5.4H

A (a)   is half of a circle.

• circumference
• pi
• semicircle
• composite figure

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

• πr²
• 2πr
• √π

Tags

TEKS.MATH.7.9B

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

• Multiply the diameter by 2

• Subtract 2 from the diameter

• Add 2 to the diameter

• Divide the diameter by 2

A circular swimming pool is 21 feet in diameter.

How many square feet is the area of the pool?

• 693 ft²

• 346.5 ft

• 65.94 ft²

• 346.2 ft²

Tags

TEKS.MATH.7.9B

Find the area.

• 34.54 cm²

• 379.94 cm²

• 189.97 cm²

• 44.54 cm²

Tags

TEKS.MATH.7.9B

Find the area.

• 25.12 m²

• 50.24 m²

• 12.56 m²

• 20.56 m²

Tags

TEKS.MATH.7.9B