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In triangleABC, side AB is produced to D...

In `triangleABC`, side AB is produced to D such that BD=BC. If `angleB=60^@` and `angleA=70^@`, prove that:

AD>CD?

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MODERN PUBLICATION-TRIANGLES-EXERCISE
  1. In triangleABC, if angleB=angleC=45^@which is the longest side?

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

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

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

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

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

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

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

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

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

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  11. In the fig. O is the centre of the circle and XOY is diameter. If XZ i...

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  12. The measure of each angle of an equilateral triangle is :

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  13. In two triangles, ABC and ADC, if AB=AD, BC=CD. Are they congruent?

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  14. If two congruent triangles ABC and DEF, if AB=DE and BC=EF. Name the p...

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  15. In two triangles ABC and DEF, angleA=angleD,angleB=angleE and angleC=a...

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  16. ABC is an isosceles triangle AB=AC and BD and CE are its two medians. ...

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  17. CDE is an equilateral triangle formed on a side CD of a square ABCD(se...

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  18. In the fig. prove that: AD+AB+BC+CD>2AC.

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  19. In the fig. find x and y

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  20. ABC is an isosceles triangle with AB = AC and AD is one of its altitud...

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