Analyze Osvaldo’s work to determine where he made an error and what his error was. In step 1, he had to add 2w to both sides.
In step 1, he had to divide both sides by 2w .
In step 2, he had to divide both sides by 2.
In step 2, he had to subtract 2 from both sides.

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2