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The foot of a ladder is 6 m away from it...

The foot of a ladder is 6 m away from its wall and its top reaches a window 8 m above the ground, Find the length of the ladder.

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NCERT EXEMPLAR-TRIANGLES-EXERCISE TRUE OR FALSE
  1. In Fig. 6.45, if ST = SU, then find the values of x and y.

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  2. Check whether the following measures (in cm) can be the sides of a rig...

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  3. Height of a pole is 8 m. Find the length of rope tied with its top fro...

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  4. In Fig. 6.46, if y is five times x, find the value of z.

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  5. The lengths of two sides of an isosceles triangle are 9 cm and 20 cm. ...

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  6. Without drawing the triangles write all six pairs of equal measures in...

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  7. ABC is an isosceles triangle with AB = AC and D is the mid-point of ba...

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  8. In Figure, it is given that LM = ON and NL = MO (a) State the three ...

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  9. Triangles DEF and LMN are both isosceles with DE = DF and LM = LN, res...

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  10. If ∆PQR and ∆SQR are both isosceles triangle on a common base QR such ...

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  11. State which of the following pairs of triangles are congruent. If yes...

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  12. State which of the following pairs of triangles are congruent. If yes...

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  13. In Figure, PQ = PS and ∠ 1 = ∠ 2. (i) Is ∆PQR ≅ ∆PSR? Give reaso...

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  14. In Figure, ∠1 = ∠ 2 and ∠ 3 = ∠ 4 . (i) Is ∆ADC ≅ ∆ ABC? Why ? ...

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  15. Observe Figure and state the three pairs of equal parts in triangles A...

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  16. In Fig. 6.55, QS ⊥ PR, RT ⊥ PQ and QS = RT. (i) Is ∆ QSR ≅ ∆ RTQ? ...

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  17. Points A and B are on the opposite edges of a pond as shown in Fig. 6....

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  18. Two poles of 10 m and 15 m stand upright on a plane ground. If the dis...

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  19. The foot of a ladder is 6 m away from its wall and its top reaches a w...

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  20. In Figure, state the three pairs of equal parts in ∆ABC and ∆EOD. Is ∆...

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