Math, asked by satendrakumar12, 4 months ago

एक वर्गाकार कागज जिसकी भुजा 25 सेमी है, उसको मोड़ कर बेलन बनाया गया है। बने बेलन का वक्र पृष्ठ ज्ञात कीजिए।​

Answers

Answered by anujsharma44181
3

Answer:

the length of square will be height for cylinder = 25 cm

and second length of square will be it's diameter = 25 cm

and radius = 25/2

so, curved surface area of the cylinder = 2πrh

= 2×22/7×25/2×25

=1,964.28 cm^

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