Question 962263
b=base; h=height=30 in; A=area=270 sq in
A=1/2bh Multiply each side by 2.
2A=bh Divide each side by h.
2A/h=b Put in values.
2(270 sq in)/30 in=b
540 sq in/30 in=b
18 in=b ANSWER: The base is 18 inches.