Area of Polygons Review

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the area of a square with a side length of 4 cm?

Back

Area = 4 cm × 4 cm = 16 cm²

Front

Define a polygon.

Back

A polygon is a closed figure with three or more straight sides.

Front

What is the area of a parallelogram?

Back

Area = base × height

Front

How do you calculate the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

What is the difference between a regular and an irregular polygon?

Back

A regular polygon has all sides and angles equal; an irregular polygon does not.

Front

What is the area of a circle with a radius of 3 cm?

Back

Area = π × (3 cm)² ≈ 28.27 cm²

Front

What is the formula for the area of a rhombus?

Back

Area = 1/2 × (diagonal1 × diagonal2)

Front

How do you find the area of a trapezoid with bases of 5 cm and 7 cm and a height of 4 cm?

Back

Area = 1/2 × (5 cm + 7 cm) × 4 cm = 24 cm²