Unit 7 Practice Test

Front

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

Back

A = 1/2 * base * height

Front

What is the area of a rectangle that is 5 by 2 units?

Back

10 square units

Front

If the perimeter of a triangle is 20 feet and two sides are 10 1/2 feet and 4 1/2 feet, what is the length of the 3rd side?

Back

5 feet

Front

What is the area needed for a triangular fulcrum if it is to be 120 ft²?

Back

120 ft²

Front

What is the area of a swimming pool that measures 136.8 m²?

Back

136.8 m²

Front

Define 'perimeter'.

Back

The total distance around the outside of a shape.

Front

What is the formula for the area of a rectangle?

Back

A = length * width

Front

How do you calculate the area of a square?

Back

A = side * side

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

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

Back

12 square units (A = 1/2 * 6 * 4)