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Mice21 [21]
3 years ago
7

The base of a triangle in which a=58.5 in^2 height=9

Mathematics
2 answers:
Kaylis [27]3 years ago
5 0
A = 58.5     h = 9     b = ?
..............................................   

Area of a triangle 
Formula : A = 1/2 * b * h

Substitute A for 58.5 and h for 9.

A = <u>1</u> * b * h
      2
58.5 =<u> 1</u> * b * 9
          2
58.5 = <u>9b
</u>           2

Cross Multiply

9b = 117
b = <u>117</u>
        9
b = 13


Nuetrik [128]3 years ago
3 0
Area of a triangle = 1/2 x base x height
a = 58.5 
height = 9

58.5 = 1/2 x base x 9
58.5 = 4.5 x base
base = 13
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