the diameter of the base of a right circular cylinder is 4.2 dm and its height is 1 dm find the area of the curved surface in centimetres square
Answers
Answered by
96
Answer:
==> 1320 cm^2
Step-by-step explanation:
☆ Attachment↓ ☆
Attachments:
Answered by
10
1320 cm^2
Step-by-step explanation:
Given,
Diameter = 4.2 dm
Radius = D/2 = 4.2/2 = 2.1 dm
Height = 1dm
As we know,
Curved Surface Area of Cylinder = 2πrh
= 2 * 22/7 * 2.1 * 1
= 132 dm^2
∵ C.S.A. of the cylinder in cm^2 = 132 * 10
= 1320 cm^2
Learn more: find the diameter
brainly.in/question/15098855
Similar questions