Total surface area of a cylinder is equal to

radius of base base area height

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circumferenceof base radius of base height

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Circumference of base area of base height

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radius of base height diameter

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Solution

The correct option is B
circumferenceof base radius of base height

TSA of a cylinder
$= 2 π r (r + h)$
= crircumference of base
(radius of base + height)

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\begin{matrix} C o l u m n - I & C o l u m n - I I (A) T o t a l s u r f a c e a r e a o f c y l i n d e r i s & (p) I t s t o t a l s u r f a c e a r e a - b a s e a r e a (B) C u r v e d s u r f a c e a r e a o f h e m i s p h e r e & (q) H a l f o f t h e c i r c u m f e r e n c e o f B a s e \times h e i g h t^{2} + b a s e^{2} (C) T o t a l s u r f a c e a r e a o f a c o n e i s & (2 \times b a s e a r e a) + (c i r c u m f e r e n c e o f c i r c l e b a s e \times h e i g h t) (D) C u r v e d s u r f a c e a r e a o f a c o n e i s & (s) \frac{a r e a o f b a s e \times (s l a n t h e i g h t + b a s e r a d i u s)}{r a d i u s o f c i r c u l a r b a s e} \end{matrix}

Find the volume, curved surface area and total surface area of each of the cylinders whose dimensions are:

(i) radius of the base = 7 cm and height = 50 cm

(ii) radius of the base = 5.6 m and height = 1.25 m

(iii) radius of the base = 14 dm and height = 15 m

The circumference of the base of a cylinder is 88cm and its height is 15cm. Find its curved surface area and total surface area.

2464 c m^{2}

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