Answer :

mumsy
you know that the area of a triangle is (h*b)/2
if we know the area  we will have 558= (h* 36)/2
or  558*2= h*36
h=(558*2)/36=31
h=31
Divide 588 by the base , in this case the number 36 to get your height. 588/36 = 16.3333 repeated or 16.33333333333333333333

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