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A table top is semicircular in shape wit...

A table top is semicircular in shape with diameter 2.8 m. Area of this table top is

A

`3.08 m^2`

B

`6.16 m^2`

C

`12.32 m^2`

D

`24.64 m^2`

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The correct Answer is:
A
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NCERT EXEMPLAR-PERIMETER AND AREA-Exercise
  1. Area of circular garden with diameter 8 m is

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  2. Area of a circle with diameter 'm' radius 'n' and circumference 'p' is

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  3. A table top is semicircular in shape with diameter 2.8 m. Area of this...

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  4. If 1 m^2 -= x mm^2, then the value of x is

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  5. If p squares of each side 1mm makes a square of side 1cm, then p is

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  6. 12 m^2 is the area of

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  7. If each side of a rhombus is doubled, how much will its area increase?

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  8. If the sides of a parallelogram are increased to twice its original le...

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  9. If the radius of a circle is doubled, its area is increased by (a) ...

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  10. What will be the area of the largest square that can be cut out of a c...

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  11. What is the radius of the largest circle that can be cut out of the re...

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  12. The perimeter of the figure ABCDEFGHIJ is

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  13. The circumference of a circle whose area is 81 pi r^2, is

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  14. The area of a square is 100 cm. The circumference (in cm) of the large...

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  15. If the radius of a circle is tripled, the area becomes

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  16. The area of a semicircle of radius 4t is

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  17. All triangles have the same base and the same altitude. True or false.

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  18. All triangles are congruent. True or false.

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  19. All triangles are equal in area. True or false.

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  20. All triangles have the same perimeter. True or false.

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