" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
15=d2
S=√7,5²+√10²
S=12,5
K=4S
K=4x12,5
K=50
150 = 1/2 x 20 x d
d = 15 cm
s² = 10² + 7,5²
= 100 + 56,25
= √156,25
s = 12,5
K blh ktpt = 4.s
= 4. 12, 5
= 50 cm