please math help

Question

find the area of a rectangle with base 2 inches and height 4 inches. first draw a figure.

 

 

 

find the area of a triangle with base 5 inches and height 3 inches. first draw a figure

Answer 1

_______

|          |

|          | 4 inches      For a rectangle: 

|          |                    Area = Base*Height = 2*4 = 8 square inches

|          |

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2 inches

 

 

          ⁄|\

       ⁄   |  \                      For a triangle:

    ⁄      | 3 inches          Area = (1/2)*Base*Height = (1/2)*5*3 = 7.5 square inches

⁄___   |___   \

5 inches