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Prove that the sum of opposite pair of a...

Prove that the sum of opposite pair of angles of a cyclic quadrilateral is `180^@`

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Theorem 10.11 : The sum of either pair of opposite angles of a cyclic quadrilateral is 180º.

The sum of either pair of opposite angles of a cyclic quadrilateral is 180^0 OR The opposite angles of a cyclic quadrilateral are supplementary.

If the sum of any pair of opposite angles of a quadrilateral is 180^@ ; then the quadrilateral is cyclic.

Prove that the sum of two consecutive angles of a parallelogram is 180^(@).

Prove that the perpendicular bisectors of the sides of a cyclic quadrilateral are concurrent.

Prove that the sum of the three angles of a triangle is 180^0dot

The minimum value of the sum of the lengths of diagonals of a cyclic quadrilateral of area a^(2) square units, is

If the bisectors of the opposite angles /_Aa n d/_B of a cyclic quadrilateral A B C D intersect the corresponding cicle at P an d Q respectively, then P Q is a diameter of the circle.

Prove that the bisectors of opposite angles of a parallelogram are parallel.

If bisectors of opposite angles of a cyclic quadrilateral ABCD intersect the circle, circumscribing it at the points P and Q, prove that PQ is a diameter of the circle.

X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
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  3. Prove that the sum of opposite pair of angles of a cyclic quadrilatera...

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  4. The difference of two numbers is 5 and the difference of their recipro...

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  5. The difference of two numbers is 5 and the difference of their recipro...

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  8. The salary of Mrs. Sarita is Rs 32000 per month. 10% of it is deducted...

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  9. Complete the missing entriesin the following factor tree

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  10. If (x+ p) is a factor of the polynomial 2x^2 +2px+5x+10. find p.

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  11. If (x+ p) is a factor of the polynomial 2x^2 +2px+5x 10. find p.

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  12. The common difference of the AP 1/p,(1-p)/p,(1-2p)/p..........is

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  13. Show that x=-3 is solution of x^2+6x+9=0

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  14. First the term of an A.P is p and its common difference is q. Find its...

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  15. If tan A=5/12, find the value of (sin A+cos A) sec A

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  16. The diagonals of a rhombus measure 16 cm and 30 cm. Find its perime...

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  17. In Figure 1, PQ || BC and AP : PB = 1 : 2.find the ratio of (arDeltaAP...

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  18. The surface area of a sphere is 346.5 cm^2, calculate its radius and ...

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  19. A die is thrown once. Find the probability of getting (i) a prime numb...

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