Area of Rectangles and Right Triangles

Front

What is the formula to find the area of a rectangle?

Back

The area of a rectangle is found using the formula: Area = length × width.

Front

What is the formula to find the area of a right triangle?

Back

The area of a right triangle is found using the formula: Area = (base × height) / 2.

Front

If a rectangle has a length of 5 cm and a width of 4 cm, what is its area?

Back

Area = 5 cm × 4 cm = 20 cm².

Front

If a right triangle has a base of 6 cm and a height of 3 cm, what is its area?

Back

Area = (6 cm × 3 cm) / 2 = 9 cm².

Front

What does 'area' mean in geometry?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is the area of a rectangle with a length of 10 cm and a width of 2 cm?

Back

Area = 10 cm × 2 cm = 20 cm².

Front

What is the area of a right triangle with a base of 8 cm and a height of 4 cm?

Back

Area = (8 cm × 4 cm) / 2 = 16 cm².

Front

If the area of a rectangle is 30 cm² and the width is 5 cm, what is the length?

Back

Length = Area / Width = 30 cm² / 5 cm = 6 cm.

Front

If the area of a right triangle is 12 cm² and the base is 4 cm, what is the height?

Back

Height = (Area × 2) / Base = (12 cm² × 2) / 4 cm = 6 cm.

Front

What is the area of a rectangle with a length of 7 cm and a width of 3 cm?

Back

Area = 7 cm × 3 cm = 21 cm².