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dik :d = 14 cm , r = 7 cm
t= 24 cm
s= 25 cm
jawab:
= πr ( r+s)
= 22/7·7 ( 7 + 25)
= 22 (32)
= 724 cm²
=22/7x7x7x1/3x24
=154x8
=1232cm²