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In the figure, ABC is a triangle. Measur...

In the figure, ABC is a triangle. Measure of `Delta ABD`, (in degrees) is

A

72

B

80

C

57

D

61

Text Solution

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The correct Answer is:
C
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ARIHANT PUBLICATION PUNJAB-GEOMETRY-CHAPTER EXERCISE
  1. In the figure, ABC is an isosceles triangle with CA=CB and BC is produ...

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  2. In the figure, in Delta PQR and Delta TQR, PQ = TR and PR = TQ. Which ...

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  3. In the figure, ABC is a triangle. Measure of Delta ABD, (in degrees) i...

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  4. The number of lines of symmetry of the figure is

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  5. In Delta PQT, PQ = PT. The points R and S are on QT such that PR = PS....

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  6. If for ∆ABC and ∆DEF, the correspondence CAB ↔ EDF gives a congruence,...

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  7. A polyhedron has 30 edges and 12 surfaces. How many vertices of this p...

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  8. In Delta PQR, PQ = 4cm, PR = 6 cm and QR =3 cm. Which of the following...

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  9. In Delta ABC and Delta LMN, AB=LM, AC = LN and angle B = angle M. Then...

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  10. A polyhedron has 6 faces and 8 vertices. How many edges does it have?

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  11. The sum of all interior angles of a polygon is 1440^(@). The number of...

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  12. If one of the angles of a triangle is 130^(@) , then the angle between...

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  13. In a quadrilateral ABCD, angle D=60^(@) and angle C = 100^(@). The bis...

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  14. The sum of all interior angles of a regular polygon is 1080^(@). What ...

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  15. In Delta DEF and Delta PQR, if PQ =DE, EF=PR and FD =QR, then

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  16. The interior angle of a regular polygon is 156^0dot Find the number of...

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  17. If the number of sides of a regular polygon is n, then the number of l...

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  18. In which one of the following cases, the construction of a quadrilater...

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  19. Let x be the angle which is equal to its complement and y be the angle...

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  20. How many sides has a regular polygon, each angle of which is of mea...

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