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= 7^2 + 24^2
=49 + 576
= 625= 25 cm
L.s.kerucut= phi x r x s
=22/7 x 7 x 25
= 550 cm2
maaf kalo jawabannya salah
= 576 + 49
s =√625
s = 25
L selimut = πrs
= 22/7×7×25
=22×25
=550 cm²