To find for the left side of the missing length of the triangle, I subtracted 3 cm from 7 cm to get 4 cm. (7−3=4 cm) To find for the bottom side of the missing length of the triangle, I subtracted 3 cm from 6 cm to get 3 cm. (6−3=3 cm) Now, I will find the area of the unshaded region. A = [tex] \frac{1}{2} [/tex] × base × height A = [tex] \frac{1}{2} [/tex] × 4 × 3 A = 6 cm² Then I will solve for the shaded region. A = base × height A = 7 × 6 A = 42 cm² Subtract the area of the unshaded region from the area of the shaded region. (42 cm² − 6 cm² = 36 cm²) The answer is 36 cm².
