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- sisi alas 12 cm
- tinggi 8 cm
Ditanya Luas sisi tegak
Jawab
tinggi sisi tegak
= \/t limas^2 + ½alaslimas^2
= \/ 8^2 + ½ x 12^2
= \/ 8^2 + 6^2
= \/64 + 36
= \/100
= 10 cm
Luas sisi tegak
= tinggi sisi tegak x sisi alas limas ÷ 2
= 10 x 12 ÷ 2
= 60 cm2