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In the adjoining figure, angleAOB = 90°,...

In the adjoining figure, `angleAOB = 90°, AC = BC, OA = 10 cm and OC = 13 cm.
. The area of
DeltaAOB` is

A

120 `cm^(2)`

B

135 `cm^(2)`

C

140`cm^(2)`

D

148 `cm^(2)`

Text Solution

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The correct Answer is:
A
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MTG IIT JEE FOUNDATION-AREAS OF PARALLELOGRAMS AND TRIANGLES-EXERCISE ( Multiple Choice Questions )
  1. The area of a rhombus is 20 cm^(2). If one of its diagonals is 5 cm, t...

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  2. The area of trapezium PQRS in the adjoining figure is

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  3. In the adjoining figure, angleAOB = 90°, AC = BC, OA = 10 cm and OC = ...

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  4. In the adjoining figure, the area of quadrilateral ABCD is

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  5. In the adjoining figure, ABCD is a parallelogram. Then its area is equ...

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  6. Which of the following figures lie on the same base and between the sa...

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  7. In a parallelogram ABCD, AB = 12 cm and the altitude corresponding to ...

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  8. In the given figure, angleBAD = angleADC = 90° and AX I I BC. If AB = ...

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  9. The area of a rhombus if the lengths of whose diagonals are 16 cm and ...

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  10. The area of a trapezium whose parallel sides are 9 cm & 16 cm and the ...

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  11. In the adjoining figure, ABCD is a quadrilateral in which diag. BD = 1...

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  12. p\ A N D\ q are any two points lying on the sides D C\ a n d\ A D r...

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  13. In the given figure, ABCD and FECG are parallelograms equal in area. I...

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  14. In figure, ABCD is a parallelogram, AE bot DC and CF bot AD. If AD = 1...

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  15. In a triangle ABC, E is the mid-point of median AD. Show that a r\ (B...

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  16. In figure, ABCD is a trapezium in which AB I I DC. Find the length of ...

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  17. In the figure, ABCD is a quadrilateral BD = 20 cm. If AL bot BD and CM...

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  18. Calculate the area of quad. ABCD.

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  19. In the given figure, AB bot AD, BC bot BD and AD = 9 cm, BC = 8 cm and...

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  20. If E ,F ,G and H are respectively the mid-points of the sides of a ...

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