L1 :1/2 × sisi sejajar × t

1/2 × (12+20) ×5 =

L2 : 1/2 × sisi sejajar × t
1/2 × (8 +16 ) × 5
=

L1 :1/2 × sisi sejajar × t

JAWABAN :

$frac{1}{2} times { 8 + 16} times 5 \ = 4 + 16 times 5 \ = 20 times 5 \ = 100$

$frac{1}{2} times 12 + 20 times 5 \ = 6 + 20 times 5 \ = 26 times 5 \ = 130$

MAAF KALAU SALAH