the height of a cylinder is 21 cm and its curved surface area is 924 CM square find the radius of cylinder
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Answered by
2
Answer:
radius=diameter ÷2
Step-by-step explanation:
924÷21
Answered by
0
Answer:
csa of cylinder = 2πrh
ATQ
924= 2×22/7×r×21
924=2×22×3×r
462=22×3×r
154=22×r
r=7
Step-by-step explanation:
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