Question

Monica has a triangular piece of fabric. The height of the triangle is 19 inches and the triangle's base is 18 inches. Monica says that the area of the fabric is 342 in2. What error did Monica make? Explain your answer by entering the correct area of the fabric

Answer 1

she used the area of a square formula instead of area of a rectangle. she should have done A =(1/2)(19)(18) and gotten 171 in^2