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In the figure 2.35, Delta PQR is an equi...

In the figure `2.35, Delta PQR` is an equilatral triangle. Point S is on seg QR such that `QS=1/3 QR.` Prove that : `9 PS^2=7PQ^2`

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The correct Answer is:
` therefore 9PS^(2) = 7PQ^(2)`.
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In the figure 2.35,Delta PQR is an equilatral triangle.Point s is on seg QR such that QS=(1)/(3)QR. Prove that :9PS^(2)=7PQ^(2)

In the adjoining figure, DeltaPQR is an equilateral triangle. Point S is on seg QR. such that QS=(1)/(3)QR. Prove that : 9PS^(2)=7PQ^(2).

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In the figure given below, Delta PQR is right-angled at Q and the points S and T trisect the side QR. Prove that 8PT^(2)=3PR^(2)+5PS^(2)

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In figure, triangle QRS is an equilateral triangles. Prove that, (1) arc RS cong arc QS cong arc QR (2) m(arc QRS)=240^(@) .

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-PYTHAGORAS THEOREM-PROBLEM SET-2
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  2. Find the length of the hypotenuse of a right angeled triangle, if the ...

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  3. A side of an isosceles right angled triangle is x. Find its hypotenuse...

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  5. In DeltaRST, /S=90^(@). /T=30^(@), RT=12cm, then find RS and ST.

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  6. Find the diagonal of a rectangle whose length is 16cm and area 192 sq ...

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  7. Find the length of the side and perimeter of an equilateral triangle w...

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  9. Delta ABC is an equilateral triangle. Point P is on base BC such that ...

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  10. From the information given in the figure, prove that PM=PN=sqrt(3)xx...

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  11. Prove by vector method that the sum of the square of the diagonals ...

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  12. Paranali and Prasad started walking to the East and to the Noorth resp...

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  13. BL and CM are medians of a triangle ABC right angled at A. Prove that...

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  14. Sum of the squares of adjacent sides of a parallelogram is 130 cm leng...

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  15. In DeltaABC, seg AD bot seg BC, DB=3CD. Prove that 2AB^(2)=2AC^(...

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  16. In an isosceles triangle, length of the congruent sides is 13 cm and i...

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  17. In a trapezium ABCD, seg AB|| seg DC, seg BD bot seg AD, seg AC bot se...

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  18. In the figure 2.35, Delta PQR is an equilatral triangle. Point S is on...

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  19. Seg Pm is a median of Delta PQR. If PQ = 40, PR = 42 and PM = 29, find...

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  20. Seg AM is a median of DeltaABC. If AB =22, AC =34, BC = 24, find AM.

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