Area of Parallelograms, Triangles, & Trapezoids

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

What is the formula for the area of a triangle?

Back

Area = (base × height) / 2

Front

What is the formula for the area of a trapezoid?

Back

Area = (base1 + base2) × height / 2

Front

In a parallelogram, opposite sides are __________.

Back

congruent

Front

In a triangle, the sum of the angles is always __________ degrees.

Back

180 degrees

Front

What is the area of a parallelogram with a base of 10 ft and a height of 5 ft?

Back

50 ft²

Front

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

Back

16 m²

Front

What is the area of a trapezoid with bases of 6 m and 10 m, and a height of 5 m?

Back

40 m²

Front

In a trapezoid, the bases are always __________.

Back

parallel

Front

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

Back

60 cm²