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ABCD is quadrilateral. Is AB + BC + CD...

ABCD is quadrilateral. Is
AB + BC + CD + DA < 2 (AC + BD)?

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ABCD is a quadrilateral. Is AB+ BC + CD+ DA gt AC+ BD ?

ABCD is a quadrilateral. Is AB+BC +CD + DA gt AC + BD ?

ABCD is a quadrilateral in which AB||DC and AD=BC. Prove that angleA=angleB and angleC=angleD .

In the fig. ABCD is a quadrilateral in which AB||DC and AD||BC prove that angleADC=angleABC

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In the fig. ABCD is a quadrilateral in which AB is the largest and CD is the shortest side. Prove that: angleD>angleB

ABCD is a quadrilateral in which AD=BC and angleADB=angleCBA . Prove that: BD=AC

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PSEB-THE TRIANGLE AND ITS PROPERTIES-EXAMPLE
  1. Take any point O in the interior of a triangle PQR. Is OR+OP>RP?

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  2. AM is a median of a triangle ABC. Is AB+BC+CA> 2 AM? (Consider the s...

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  3. ABCD is quadrilateral. Is AB + BC + CD + DA < 2 (AC + BD)?

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  4. The lengths of two sides of a triangle are 12 cm and 15 cm. Between wh...

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  5. Is the sum of any two angles of a triangle always greater than the thi...

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  6. Determine whether the triangle whose lengths of sides are 3 cm, 4 cm, ...

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  7. ABC is right-angled at C. If AC = 5 cm and BC = 12 cm find the length ...

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  8. Find the unknown lengthx in the following figures

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  9. Find the unknown lengthx in the following figures

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  10. Find the unknown lengthx in the following figures

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  11. Find the unknown length x in the following figures

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  12. Find the unknown lengthx in the following figures

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  13. Find the unknown lengthx in the following figures

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  14. PQR is a triangle, right-angled at P. If PQ = 10 cm and PR = 24 cm, fi...

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  15. ABC is a triangle, right-angled at C. If AB = 25 cm and AC = 7 cm, fin...

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  16. A 15 m long ladder reached a window 12 m high from the ground on placi...

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  17. Which of the following can be the sides of a right triangle? (i)2.5 ...

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  18. A tree is broken at a height of 5 m from the ground and its top touche...

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  19. Angle Q and R of a trianglePQR are 25^@ and 65^@ Write which of the fo...

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  20. Angle Q and R of a trianglePQR are 25^@ and 65^@ Write which of the fo...

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