The area of four walls of a room of height 5 m is 144 m 2- If the total surface area of the room is 244 m 2 then its length isA- 10 mB- 15 mC- 9 mD- 8 m

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Standard IX

Mathematics

Sphere

The area of f...

Question

The area of four walls of a room of height 5 m is 144 m². If the total surface area of the room is 244 m² then its length is

10 m

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8 m

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15 m

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9 m

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Solution

The correct option is A
10 m

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The area of four walls of a room of height 5 m is 144 m2. If the total surface area of the room is 244 m2 then its length is

The correct option is A 10 m

The area of four walls of a room of height 5 m is 144 m². If the total surface area of the room is 244 m² then its length is

The correct option is A
10 m