Area,Perimeter, Circumference

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius or Circumference = π × diameter.

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

What is the circumference of a circle with a radius of 5 cm?

Back

Circumference = 2 × π × 5 cm ≈ 31.4 cm.

Front

What is the area of a triangle with a base of 8 cm and a height of 5 cm?

Back

Area = 1/2 × 8 cm × 5 cm = 20 cm².

Front

What is the perimeter of a square with a side length of 4 cm?

Back

Perimeter = 4 × side = 4 × 4 cm = 16 cm.

Front

What is the circumference of a circle with a diameter of 10 cm?

Back

Circumference = π × 10 cm ≈ 31.4 cm.