L = L.pp + L.p
= p x l + s x s
= (40-20) x 50 + 20 x 20
= 20 x 50 + 400
= 1000 + 400
= 1.400 cm²
Jadi jawabannya C
× Mohon maaf bila ada kesalahan. Semoga membantu^^ ×
50.20=1000cm2
20.20=. 400cm2
1000+400= 1400
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L = L.pp + L.p
= p x l + s x s
= (40-20) x 50 + 20 x 20
= 20 x 50 + 400
= 1000 + 400
= 1.400 cm²
Jadi jawabannya C
× Mohon maaf bila ada kesalahan. Semoga membantu^^ ×
50.20=1000cm2
20.20=. 400cm2
1000+400= 1400