Area Review

How do you find the area of a triangle?

• A = ½bh
• A = ½h(a + b)
• A = πr²

How do you find the area of a circle?

• A = ½bh
• A = ½h(a + b)
• A = πr²

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

• Radius
• Diameter

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

• Radius
• Diameter

What is the area of this circle?

• 201.06 m²
• 50.24 m²
• 123.12 m²
• 94.43 m²

What is the area of this circle?

• 1256 in²
• 31.41 in²
• 314 in²
• 123 in²

Find the area:

• 50 yd²
• 40 yd²
• 80 yd²
• 18 yd²

What is the area of this triangle?

• 12 cm²
• 6 cm²
• 10 cm²
• 8 cm²

What is the radius?

• 18 ft
• 72 ft
• 38 ft
• 14 ft

What is the diameter?

• 8 cm
• 16 cm
• 10 cm
• 4 cm