1.

the circumference of the base of a circular tank is 20 m . if the height of tank is 3 m find its curved surface area​

Answer»

Answer:

60m²

Step-by-step explanation:

curved SURFACE AREA= 2πrh

given: CIRCUMFERENCE (2πrh)= 20m

HEIGHT(h)=3m

therefore, curved surface area=

(20×3)m= 60m² ans.

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