Match the object in Column A to formulae in Column B- Choose the Option with correct matches- - A amp- B- 1-Surface-area-of-cone amp- 1-4-r-2- 2-Surface-area-of-sphere amp- -2-2-rh- 3-curved-surface-area-of-cylinder amp- 3-rL- -A1-B3- A2-B1- A3-B2-A1-B3- A2-B2- A3-B1-A1-B2- A2-B1- A3-B3-A1-B1- A2-B2- A3-B3-

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Byju's Answer

Standard VIII

Mathematics

Sphere and its surface area

Match the obj...

Question

Match the object in Column A to formulae in Column B. Choose the Option with correct matches.

$\begin{matrix} A & B 1. S u r f a c e a r e a o f c o n e & 1. 4 π r^{2} 2. S u r f a c e a r e a o f s p h e r e & 2. 2 π r h 3. c u r v e d s u r f a c e a r e a o f c y l i n d e r & 3. π r L \end{matrix}$

A1-B3, A2-B1, A3-B2

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A1-B2, A2-B1, A3-B3

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A1-B3, A2-B2, A3-B1

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A1-B1, A2-B2, A3-B3

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Solution

The correct option is A
A1-B3, A2-B1, A3-B2

The surface area of Sphere = 4 $π r^{2}$

The surface area of Cylinder = 2 $π r h$

The surface area of Cone = $π$ rL (Where L is slant height of cone)

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Similar questions

Q. (1) Match the following.

Column 'A'	Column 'B'
(1) a³ × a⁵	(a) a⁵
(2) a⁵ ÷ a³	(b) $\frac{1}{a^{5}}$
(3) a³ ÷ a⁵	(c) a³⁺⁵
(4) (a³)⁵	(d) a⁵⁻³
(5) a⁵ ÷ a⁵	(e) $\frac{1}{a^{5 - 3}}$
	(f) a^3x5 (g) 1

(2) Write the values of the cube, the fourth power and the fifth power of each of the following numbers:

(i) 2
(ii) 3
(iii) 1
(iv) −1
(v) 10

Match the object in Column A to formulae in Column B. Choose the Option with correct matches.

$\begin{matrix} A & B 1. S u r f a c e a r e a o f c o n e & 1. 4 π r^{2} 2. S u r f a c e a r e a o f s p h e r e & 2. 2 π r h 3. c u r v e d s u r f a c e a r e a o f c y l i n d e r & 3. π r L \end{matrix}$