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In an isosceles DeltaPQR,PR=QR and PQ^2=...

In an isosceles `DeltaPQR`,PR=QR and `PQ^2=2PR^2`, then `angleR`=

A

`60^@`

B

`30^@`

C

`90^@`

D

`45^@`

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. The lengths of diagonals of a rhombus are 24 cm and 32 cm, then the pe...

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  2. Which of the following does not belongs to side of the right triangle?

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  3. In an isosceles DeltaPQR,PR=QR and PQ^2=2PR^2, then angleR=

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  4. In DeltaABC the midpoints are D,E and F of the sides AB,BC and CA, the...

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  5. If the diagonal of a square is 7sqrt2 cm, then its area is

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  6. In the figure AB = 2.5 cm, AC = 3.5 cm. If AD is the bisector of angle...

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  7. In the figure DE divides AB and AC in the ratio 1 : 3 If DE = 2.4 cm t...

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  8. The height of an equilateral triangle whose side is a units is

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  9. If triangle ABC ~ triangle XYZ, angle C = 60^@ angle B = 75^@ then ang...

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  10. The maximum nuber of possible tangents that can be draw to a circle is...

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  11. triangle ABC ~ triangle DEF and areas of triangle ABC, triangle DEF ar...

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  12. Area of a regular hexagon whose side is 'a' cm is……………

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  13. IF a man walks 6m to East and 8m to North. Now he is at a distance of ...

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  14. angle CAD in the given figure is………..

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  15. Example for the sides of a Right angled triangle is………….

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  16. Height of an equilateral triangle whose sides is 'a' cm is ………..

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  17. In triangle ABC ~ triangle XYZ, angle C = 60^@ angle B = 70^@ then ang...

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  18. When we construct a triangle similar to a given triangle as per given ...

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  19. triangle ABC ~ triangle DEF is given then which of the following is co...

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  20. In DeltaABC angleC=90^@, BC=a, AB=c, AC=b and 'p' is length of height ...

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