Quinn is determining the area of a trapezoid. His work is shown below.Step 1: Break the figure into rectangles and triangles.Step 2: Find the area of the rectangle: .Step 3: Find the area of the triangles: .Step 4: Add the areas together: square centimeters.Which best describes Quinn’s error?
Answer
A
The base of the triangle in Step 1 should be 4 cm.
B
The area of the triangles in Step 3 should be .
C
The area of the triangle in Step 3 should be doubled since there are 2 triangles.
D
The areas in Step 4 should be multiplied together instead of added together.