tolong jawab no 5 luas dan kelilingnya

luas = 1/2 × jumlah sisi sejajar × Tinggi
= 1/2 × ( 27 + 5 ) × 9
= 1/2 × 32 × 9
= 1/2 × 288
= 144 cm2
k = 2 × ( a + b )
= 2 × ( 27 + 5 )
= 2 × 32
= 64 cm2