" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
17² = (1/2 x 30)² + (1/2 D2)²
17² = 15² + (1/2 D2)²
(1/2D2)² = 17² - 15²
(1/2D2)² = 289 - 225
(1/2D2)² = 64
1/2 D2 = √64 = 8
D1 = 30 D2 = 8 x 2 = 16
Luas= 30.16/2 =240 cm²
maaf kalau salah