Area of Triangles and Trapezoids

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

Calculate the area of a triangle with a base of 10 mm and a height of 5 mm.

Back

25 mm²

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

Calculate the area of a trapezoid with bases of 8 m and 6 m, and a height of 4 m.

Back

28 m²

Front

What is the area of a triangle with a height of 3 cm and a base of 4 cm?

Back

6 cm²

Front

If a triangle has an area of 20 cm² and a base of 5 cm, what is its height?

Back

Height = 8 cm

Front

What is the area of a triangle with a base of 12 in and a height of 10 in?

Back

60 in²

Front

What is the area of a trapezoid with bases of 10 yd and 14 yd, and a height of 5 yd?

Back

60 yd²

Front

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

Back

31.5 m²

Front

If the area of a trapezoid is 45 m² and the height is 5 m, what is the average of the two bases?

Back

Average of bases = 18 m