Question

Autumn cut out a triangular piece of fabric to sew on her comforter. The area of the triangle is 48 square inches, and the height is 12 inches. How long is the base of the triangle?

A.576 inches
B.60 inches
C.8 inches
D.4 inches

Answer 1

`A=(1)/(2)ah\\ 2A=ah\\ a=(2A)/(h)\\\\ a=(2\cdot48)/(12)\\ a=4 \Rightarrow D`