Perimeter, Area, Circumference

Front

What is the formula for the area of a triangle?

Back

Area = (base × height) / 2

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3

Front

What is the difference between area and perimeter?

Back

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

Front

What units are used to measure area?

Back

Square units (e.g., cm², in²) are used to measure area.

Front

What units are used to measure perimeter?

Back

Linear units (e.g., cm, in) are used to measure perimeter.

Front

How do you find the area of a rectangle?

Back

Area = length × width

Front

How do you find the circumference of a circle?

Back

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

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its area?

Back

Area = (6 × 4) / 2 = 12 cm²

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

Area = 10 × 5 = 50 cm²