7.9C STAAR Prep 2D Geometry

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is perimeter?

Back

Perimeter is the total distance around a shape.

Front

What units are used to measure area?

Back

Square units (e.g., square centimeters, square inches) are used to measure area.

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Back

40 square centimeters

Front

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

Back

20 square feet

Front

What is the perimeter of a rectangle with a length of 6 in and a width of 3 in?

Back

18 inches

Front

How do you find the area of a shape with a known perimeter?

Back

You cannot find the area with just the perimeter; you need additional dimensions.

Front

What is the area of a square with a side length of 5 in?

Back

25 square inches

Front

What is the relationship between area and perimeter?

Back

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