Area and Volume

Answer explanation

Step 1: add the bases together

68+36=104

Step 2: Multiply base total by the height (30)

104 x 30 = 3,120

Step 3: Divide total by 2

3,120 / 2 = 1,560ft2

Answer explanation

Step 1: multiply base and height

6 x 4.5 = 27cm2

Answer explanation

Step 1: multiply base and height

6 x 4 = 24

Step 3: Divide total by 2

24 / 2 = 12ft2

7) The length of a rectangle is 7 inches, and the area of the rectangle is 199.5 square inches. What is the width of the rectangle in inches?

Answer explanation

Step 1: Identify FORMULA

A=bh

Step 2: Plug in what you know

199.5in2 = 7 x h

***We do not know the HEIGHT so we have to work BACKWARDS***

***What is te opposite of multiplication?? ---- Division!

Step 3: Divide 199.5 by 2 = 28.5in

Answer explanation

Step 1. Must find AREA of the shape shown first

2.5 x 3 = 7.5

**To find VOLUME you must now multiply total by HEIGHT**

Step 2: 7.5 x 1.5 = 11.25in3