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1232 = 1/3. 22/7. 7. 7. t
1232 = 51,3 × t
t = 1232 : 51,3
t = 24,015 ---> 24 cm
s = √t² + r²
= √24² + 7²
= √576 + 49
= √625
= 25 cm
Lselimut = Πrs
= 22/7. 7. 25
= 550 cm²