TEKS.MATH.7.9B

Hannah drew a circle with a radius of 30 cm. Jonas drew a circle with a radius of 20 cm. What is the approximate difference in the areas of their circles?

• 2,826 cm²
• 1,570 cm²
• 1,256 cm²
• 314 cm²

Tags

TEKS.MATH.7.9B

What is the circumference?

• 36
• 18π
• 108π
• 36π

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TEKS.MATH.7.9B

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE
• FALSE

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TEKS.MATH.7.9B

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

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TEKS.MATH.7.9B

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56
• 16π or about 50.24
• 2π or about 6.28
• 8π or about 25.12

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TEKS.MATH.7.9B

Calculate the area. Use 3.14 for pi. Round to the nearest tenth if needed.

• 1582.8 cm ²

• 1476.4 cm ²

• 586.2 cm ²

• 602.5 cm ²

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TEKS.MATH.7.9B

A group of students stood in a circle to play a game. The circle had a diameter of 22 meters. Which measurement is closest to the circumference of the circle in meters?

• 34.54 m

• 1,519.76 m

• 379.94 m

• 69.08 m

Tags

TEKS.MATH.7.9B

A group of students stood in a circle to play a game. The circle had a diameter of 22 meters. Which measurement is closest to the circumference of the circle in meters?

• 34.54 m

• 1,519.76 m

• 379.94 m

• 69.08 m

Tags

TEKS.MATH.7.9B

If you multiply ½ × d  then you will get the...

• radius
• diameter
• circumference
• area

Tags

TEKS.MATH.7.9B

What is the diameter?

• 8
• 16
• 10
• 4

Tags

TEKS.MATH.7.9B