Question 891831
If the base is 10' and the area is 45 sq ft, the height of her garden will be 9'.
Area of a triangle is {{{1/2}}}b*h
45 = {{{1/2}}}(10)*(h)
Multiply each side by 2 to get rid of the pesky fraction.
90 = 10h
Divide each side by 10
9 = h