Match the object in Column A to formulae in Column B- Choose the Option with correct matches-Whe A - B Whline2- Surface area of sphere - 2- 2rh Whline

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Standard IX

Mathematics

Surface area of a sphere

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

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

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

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

" $\begin{matrix} A : & B : 1. V o l u m e o f C o n e & 1. π r^{2} h 2. V o l u m e o f S p h e r e & 2. \frac{4}{3} π r^{3} 3. V o l u m e o f C y l i n d e r & 3. \frac{π r^{2} h}{3} \end{matrix}$

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

$\begin{matrix} A : & B : 1. V o l u m e o f C o n e & 1. π r^{2} h 2. V o l u m e o f S p h e r e & 2. \frac{4}{3} π r^{3} 3. V o l u m e o f C y l i n d e r & 3. \frac{π r^{2} h}{3} \end{matrix}$

Q. Match column A with column B and choose the correct option.

Match the items in column I with those in column II and choose the correct matching pairs.
$\begin{matrix} C o l u m n I (D i s e a s e s) & C o l u m n I I (S y m p t o m s) (i) H e p a t i t i s & (a) I n f l a m m a t i o n o f k i d n e y (i i) N e p h r i t i s & (b) D e p o s i t i o n o f c a l c i u m c r y s t a l s (i i i) K i d n e y s t o n e s & (c) I n f l a m m a t i o n o f l i v e r \end{matrix}$

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Match the object in Column A to formulae in Column B. Choose the Option with correct matches. AB1. Surface area of cone1. 4πr22. Surface area of sphere2. 2πrh3. curved surface area of cylinder3. πrL

The correct option is A A1-B3, A2-B1, A3-B2 The surface area of Sphere = 4πr2 The surface area of Cylinder = 2πrh The surface area of Cone = πrL (Where L is slant height of cone)

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)