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Each of the two equal angles of an isosc...

Each of the two equal angles of an isosceles triangle is four times the third angle. Find the angles of the triangle

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NCERT EXEMPLAR-TRIANGLES-EXERCISE TRUE OR FALSE
  1. Find the measure of ∠ A in Fig. 6.36

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  2. In a right-angled triangle if an angle measures 35°, then find the mea...

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  3. Each of the two equal angles of an isosceles triangle is four times th...

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  4. The angles of a triangle are in the ratio 2 : 3 : 5. Find the angles

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  5. If the sides of a triangle are produced in an order, show that the sum...

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  6. In ∆ABC, if ∠A = ∠C, and exterior angle ABX = 140°, then find the angl...

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  7. Find the values of x and y in Fig. 6.37

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  8. Find the value of x in Fig. 6.38

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  9. The angles of a triangle are arranged in descending order of their mag...

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  10. In ∆ ABC, DE || BC (Fig. 6.39). Find the values of x, y and z.

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  11. In Fig. 6.40, find the values of x, y and z.

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  12. If one angle of a triangle is 60° and the other two angles are in the ...

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  13. In ∆PQR, if 3∠P = 4∠Q = 6∠R, calculate the angles of the triangle.

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  14. In ∆DEF, ∠D = 60°, ∠E = 70° and the bisectors of ∠E and ∠F meet at O. ...

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  15. In Fig. 6.41, ∆PQR is right-angled at P. U and T are the points on lin...

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  16. In Fig. 6.44, if RP = RQ, find the value of x.

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  17. In Fig. 6.45, if ST = SU, then find the values of x and y.

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

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

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

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