a+b = 50-(9+21) = 20
20 / 2 = 10 (h)
S = a+b / 2 * h = 9+21 / 2 * 10 = 150
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
a+b = 50-(9+21) = 20
20 / 2 = 10 (h)
S = a+b / 2 * h = 9+21 / 2 * 10 = 150