the volume and height of a cylinder is 390m and 42m find its radius and diameter
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The diameter of the base of a cylinder is 42, and its height is 10 cm. What is the curved and total surface area?
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3 ANSWERS

Atul Sonkusare, Maths my favorite
Answered Jan 22, 2018 · Author has 62answers and 59.5k answer views
Diameter = 42, Height = 10
Radius (r) = 42/2 = 21
Curved Area of Cylinder = 2πrh = 2 × (22/7) × 21 × 10
= 1320 sq cm
Total Surface Area = 2πrh + 2πr²
= 1320 + [2 × (22/7) × 21²]
= 1320 + 2772
=4092 sq cm
I Hope It Will Help!
^_^
The diameter of the base of a cylinder is 42, and its height is 10 cm. What is the curved and total surface area?
Ad by Dell India
Valentine's savings.
Special occasions call for special offers on select Inspiron PCs, powered by Intel® Core™ processors.
Shop Now
3 ANSWERS

Atul Sonkusare, Maths my favorite
Answered Jan 22, 2018 · Author has 62answers and 59.5k answer views
Diameter = 42, Height = 10
Radius (r) = 42/2 = 21
Curved Area of Cylinder = 2πrh = 2 × (22/7) × 21 × 10
= 1320 sq cm
Total Surface Area = 2πrh + 2πr²
= 1320 + [2 × (22/7) × 21²]
= 1320 + 2772
=4092 sq cm
I Hope It Will Help!
^_^
pala24:
hello
ji
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the answer is 4092 sq cm bro
Hope it will help you
Please mark me the brainliest
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