Maria solved the area problem below. What was her error?
(
1
2
) (25.5)(30) (
1
5
) = 76.5cm²
Maria solved the area problem below. What was her error?
She found the perimeter.
She forgot to square the scale factor.
She forgot to multiply by One-half for the area of the triangle.
She should have divided by the square of the scale factor.