Big Ideas Ch.4 Area & Perimeter Test Review

Front

What is the formula for finding the perimeter of a shape?

Back

Add all sides.

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for finding the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height.

Front

What is the unit of measurement for area?

Back

Square units (e.g., square meters, square inches).

Front

What is the unit of measurement for perimeter?

Back

Linear units (e.g., meters, inches).

Front

If a rectangle has a length of 10 meters and a width of 5 meters, what is its area?

Back

50 square meters.

Front

If a triangle has a base of 8 units and a height of 5 units, what is its area?

Back

20 square units.

Front

What is the area of a trapezoid with bases of 6 m and 10 m, and a height of 4 m?

Back

32 square meters.

Front

How do you find the area of a shaded region?

Back

Calculate the total area and subtract the area of the unshaded part.