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= 6
tinggi sisi tegak
t = √8²+6²
= √64+36
= √100
= 10
luas sisi tegak
Ls = 4 X 1/2 X S X T
= 2 x 12 x 10
= 240 cm²
4 (1/2 × a × t)
= 4 (1/2 × 12 × 10)
= 4 (60)
= 240 cm²