Area and Perimeter

What is the area of a circle with a radius of 3 cm?

• 28.27 cm²

• 18.84 cm²

• 31.42 cm²

• 12.56 cm²

What is the perimeter of a rectangle with length 10 m and width 5 m?

• 20 m

• 25 m

• 30 m

• 35 m

What is the perimeter of a circle (circumference) with a radius of 3 cm?

• 12.56 cm

• 18.85 cm

• 9.42 cm

• 15.70 cm

What is the formula for finding the area of a triangle?

• A = 1/2(b • h)

• A = b + h

• A = b • h

• A = 2(b + h)

What is the perimeter of a rectangle that is 8 ft long and 3 ft wide?

• 20 ft

• 22 ft

• 24 ft

• 18 ft

If a triangle has a base of 4 cm and a height of 3 cm, what is its area?

• 6 cm²

• 12 cm²

• 8 cm²

• 10 cm²

What is the formula for finding the area of a rectangle?

• A = l + w

• A = l • w

• A = 2(l + w)

• A = l / w

What is the perimeter of a triangle?

• P = a + b + c, where P is the perimeter and a, b, c are the lengths of the sides.

• P = 2(a + b), where P is the perimeter and a, b are the lengths of two sides.

• P = a * b * c, where P is the perimeter and a, b, c are the lengths of the sides.

• P = a^2 + b^2 + c^2, where P is the perimeter and a, b, c are the lengths of the sides.

How do you convert square feet to square inches?

• Multiply by 144 (1 ft² = 144 in²)

• Divide by 144 (1 ft² = 144 in²)

• Multiply by 12 (1 ft² = 12 in²)

• Add 144 (1 ft² = 144 in²)

What is the area of a rectangle with length 10 m and width 5 m?

• 30 m²

• 40 m²

• 50 m²

• 60 m²