Question

a 7 m long cylindrical wire has a radius of 6mm. find the curved surface area of the wire​

Answer 1

Answer:

•Height of wire,h=7M

•Radius of wire,r=6mm=(6/1000)M

•so, the curved surface area of wire=2πrh=2×(22/7)×(6/1000)×7=264/1000=0.264M

I hope this answer helps you

Answer 2

Answer:

the side of a square whose perimeter is equal to the perimeter of rectangle with length 9 cm and breadth 7cm