8.3 - 8.4 Quiz Review

What is the radius of this circle?

• 18 in
• 10 in
• 9 in
• 8 in

Find the area of the circle below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards
• 25 yards
• 150 yards
• 15 yards

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Tags

CCSS.7.G.B.4

What is the area of a circle with a radius of 21 cm?

• 1384.74 cm²
• 2142.12 cm²
• 4348.08 cm²
• 1289.12 cm²

Bobba's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²
• 68.345 ft²
• 64.585 ft²
• 61.345 ft²

What is the area of this circle?

• 82.13 m²
• 78.50 m²
• 314.16 m²
• 170.12 m²

What is the area of this circle?

• 15393.8 mi²
• 1248.12 mi²
• 5930.12 mi²
• 3848.45 mi²

What is the area of this circle?

• 50.27 cm²
• 78.23 cm²
• 98.12 cm²
• 201.06 cm²

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm