Bingung kak mohon bantuannya

Jawaban:

Luas trapesium = (a+b) × t /2

= (12+20) × 16 /2

= (32) ×8 = 256

EF = √17² -8²

=√ 289- 64

= √225

= 15

luas segitiga = a×t /2

= 16 × 15/2

= 120

luas ABCDE = luas trapesium + luas segitiga

= 256+120 = 376