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Three angles of a quadrilateral are 80^...

Three angles of a quadrilateral are `80^(@), 95^(@) and 112^(@)`. Its fourth angle is

A

`78^(@)`

B

`73^(@)`

C

`85^(@)`

D

`100^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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BHARDWAJ ACADEMY-GEOMETRY-Chapter Exercise (Pervious Years Questions)
  1. Three angles of a quadrilateral are 80^(@), 95^(@) and 112^(@). Its f...

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  2. In the given figure, PS = SQ = SR and ltSPQ = 54^(@). Find the measure...

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  3. How many lines of symmetry does a parallelogram have?

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  4. In the figure, ABC is an isosceles triangle with CA = CB and BC is pro...

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  5. In the figure, in DeltaPQR and DeltaTQR PQ = TR and PR = TQ. Which o...

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  6. In the figure, ABC is a triangle. Measure of ltABD, (in degrees) is

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

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

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  9. If for Delta ABC and lt DEF the correspondence CAB harr EDF gives a co...

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  10. Find the number of vertices in a polyhedron which has 30 edges and 12 ...

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

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

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

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

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

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  16. In the adjacent figure, the bisectors of angleA and angleB meet in a p...

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

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

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

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

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

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