# Using Formulas - Area and Perimeter

## Free Pre-Algebra Worksheet - Using Formulas - Area and Perimeter

Lesson:
3. To find area and perimeter using required formulas

Subject:
Pre-Algebra

Description:
This Free Pre-Algebra Worksheet contains problems on using formulas to solve problems. Students must recognize formulas for rectangles, circles, and triangles and evaluate formulas for given variables.

# of Problems:   14

# of Pages:   3

### Sample Problems from Worksheet

(Worksheet pictures and diagrams not shown)

Free Pre-Algebra Worksheet
Using Formulas

1) What is the formula for the perimeter of a rectangle?

2) What is the formula for the area of a rectangle?

3) What is the formula for the area of a triangle?

4) What is the formula for the area of a circle?

5) What is the formula for the circumference of a circle?

6) Find the perimeter and area of the rectangle.

7) Find the perimeter and area of the square.

8) Find the area of a triangle with base = 10 ft and height = 30 ft. Draw a sketch of this triangle.

9) Find the area and circumference of a circle with radius = 5 in. Draw a sketch of this circle. 1

3) The formula  D =1.5 x (s + s2 ) ÷ 20 is used to determine the approximate distance is takes a car to stop when traveling on a wet road. If a car is traveling at 15 mph on a wet road, find its stopping distance.