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In a right-angled triangle if an angle m...

In a right-angled triangle if an angle measures `35°`, then find the measure of the third angle.

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NCERT EXEMPLAR-TRIANGLES-EXERCISE TRUE OR FALSE
  1. In Fig. 6.34, find the measures of ∠ PON and ∠ NPO

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  2. Find the measure of ∠ A in Fig. 6.36

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

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

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

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

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

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

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  9. Find the value of x in Fig. 6.38

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

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

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

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

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

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

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

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

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

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

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

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