Question

TOLONG YA BANTUIN JAWAB :) NO 2 SAMA 3

Answer 1

2.
A. Keliling = 10+13+5+10+9+15
                 = 62cm
B. Luas = 10+24/2 x 10
              = 17 x 10 = 170cm²

3. 
Luas = (a+b)/2 x t
37,8 = (3,7 + 5,3)/2 x t
37,8 = 9/2 x t
37,8 = 4,5 x t
t = 37,8/4,5 = 8,4m