The area of a parallelogram is 115 square miles the base is= x+9 and the height is x-9. so the equation I got down which is 115=(x+9)*(x-9. Now I have to find the base and height in miles. Can someone help?

Answer 1

just solve your equation:

x^2-81 = 115
x^2 = 196
x = 14

so, the
base is 14+9 = 23
height is 14-9 = 5