ini lgi kk ritikaa ini soal terakhir kk tpi sebelumnya ada kk

9) L∆= 1/2 x a x t
= 1/2 x (26+9+9) x (82-26)
= 1/2 x 44 x 56
= 1232 cm2

L2= p x l
= 26 x 26 = 676 cm2

L1 + L2 = 1232 + 676 = 1908 cm2

10) L1 = 1/2 x a x t
= 1/2 x (65-16) x 34
= 833 cm2

L2= p x l
= (65-16) x 18 = 882 cm2

L3= s x s
= 16 x 16 = 256 cm 2

L1 + L2 + L3 = 1971 cm2