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75, 36= 3, 14 d
d= 75, 36 ÷ 3, 14
d= 24
r= 24÷2
r=12
s=√r²+t²
s=√12²+16²
s=√144+256
s=√400
s=20
Luas selimut kerucut
L= πrs
= 3, 14 x 12 x 20
= 753, 6 cm²
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