Area of Triangles

Front

What is the formula to calculate the area of a triangle?

Back

Area = 1/2 × base × height

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

25 cm²

Front

What does 'base' refer to in a triangle?

Back

The base is any side of the triangle, often the one on the bottom when drawn.

Front

What does 'height' refer to in a triangle?

Back

The height is the perpendicular distance from the base to the opposite vertex.

Front

Find the area of a triangle with a base of 8 m and a height of 3 m.

Back

12 m²

Front

What is the area of a triangle with a base of 4 in and a height of 6 in?

Back

12 in²

Front

If the area of a triangle is 30 ft² and the base is 10 ft, what is the height?

Back

Height = 6 ft (Area = 1/2 × base × height => 30 = 1/2 × 10 × height).

Front

What is the area of a triangle with a base of 7 cm and a height of 9 cm?

Back

31.5 cm²

Front

How do you find the area of a triangle if you know the area and the base?

Back

Rearrange the formula: height = (2 × area) / base.

Front

What is the area of a triangle with a base of 5 m and a height of 10 m?

Back

25 m²