Atrapezoid an area of 7.2 square miles. one base is 1.2 miles and the other is 2.4 miles long. what is the height

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Atrapezoid an area of 7.2 square miles. one base is 1.2 miles and the other is 2.4 miles long. what is the height

Formula for a trapezoid is:

A = ((a + b) / 2) h

A is area, a and b are the base sizes, h is height.

Plug n' chug:

7.2 = ((1.2 + 2.4) / 2) h

Simplify:

7.2 = 1.8h

Divide both sides by 1.8 to get h alone

4 = h

Area = 7.2 square miles

Base = 1.2

Second base = 2.4

Area of Trapezium = (1/2)*(Sum of Bases)*height

7.2 = (1/2)*(2.4 + 1.2)*h

7.2 = (1/2)*3.6*h

7.2 = 1.8h

1.8h = 7.2

h = 7.2/1.8 = 4

Height = 4 miles.