Question

9. If the height of a cylinder is equal to diameter of its base then its total surface areas​

Answer 1

Answer:

6πr² is the answer

Step-by-step explanation:

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Answer 2

Answer:

height of a cylinder is equal to diameter of its base

height of a cylinder is equal to diameter of its baseradius = X (Higth= diameter , radius = diameter/2)

hight = 2X

total surface area=

(2×pie× r×h+pie× r squar)

2×pie×X×2X+pie × X square

2×pie×2X×X square +pie × X square