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In the fig, PQR is an equilateral triang...

In the fig, PQR is an equilateral triangle and QRST is a square. Prove that:

`anglePSR=15^@`

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MODERN PUBLICATION-TRIANGLES-EXERCISE
  1. In the fig. triangle AB=AC and bisectors of angleB and angleC meet at ...

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  2. In the fig, PQR is an equilateral triangle and QRST is a square. Prove...

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  3. In the fig, PQR is an equilateral triangle and QRST is a square. Prove...

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  4. Prove that the median from the vertex of an isosceles triangle is the ...

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  5. In the fig. ABCD is square and P is a point on such that PB=PD. Prove ...

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  6. In the fig. :ABCD is a quadrilateral in which AD=AB and BC=DC. Prove t...

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  7. In the fig. :ABCD is a quadrilateral in which AD and BC=DC. Prove that...

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  8. In the fig. P is a point in the interior of angleAOB, PLbotOA and PMbo...

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  9. In the fig. ABCD is a square M is the mid point and PQ bot CM meets AD...

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  10. In the fig. ABCD is a square M is the mid point and PQ bot CM meets AD...

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  11. In triangle ABC, if angleA=40^@ and angleB=60^@. Determine the longest...

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  12. In triangle ABC, if angleA=90^@ and angleB=35^@ which is the longest s...

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  13. In triangleABC, if angleB=angleC=45^@which is the longest side?

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  14. Is it possible to draw a triangle with sides of the lenghts 2 cm, 3 cm...

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  15. In triangleABC, side AB is produced to D such that BD=BC. If angleB=60...

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  16. In triangleABC, side AB is produced to D such that BD=BC. If angleB=60...

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  17. In triangleABC, if the AD is a bisector of angleA show that AB>BD and ...

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  18. In the fig. AC>AB and AD is the bisector of angleA show that angleADC>...

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  19. In the trianglePQR, S is any point on the side QR show that PQ+QR+RP+2...

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  20. O is any point in the exterior of a DeltaABC. Prove that 2(OA + OB + O...

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