nomer 26 tolong yang bisa dikerjakan y aku minta tolong

Dik : L : 672m²
sisi miring : 25m
t : 24m
a : x
b : 14+x
Dit : K?
Jwb :
L = (a+b).t/2
672 = (x+14+x).24/2
672 = (2x+14).12
672 = 24x + 168
672-168 = 24x
504 = 24x
x = 504/24
= 21m

a = 21m
b = 14+21
35m

K : a+b+s+s
= 21+35+25+25
= 106 m