Jawaban:
A=sisi tegak = 12 +(10 : 2) = 144 + 25 = 169 = 13 cm
Lp = L. alas + L. sisi tegak = (10 × 10) + (13× 10 / 2 )
= 100 + 65 = 165 cm2
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Jawaban:
A=sisi tegak = 12 +(10 : 2) = 144 + 25 = 169 = 13 cm
Lp = L. alas + L. sisi tegak = (10 × 10) + (13× 10 / 2 )
= 100 + 65 = 165 cm2