bantu akku ya guys..

w × h = s × f
diket =
w = m × g
= 4,5 × 9,8 = 441 N
h = 2 m
f = 98 N

ditanyakan =
s = ...?

Jawab =
w × h = s × f
441 × 2 = s × 98
882 = 98s
s = 882 ÷ 98
s = 9 m

jadi, panjang sisi miring adalah 9 m (D)