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In DeltaABC, the external angle bisector...

In `DeltaABC`, the external angle bisector of `angleA` is parallel to BC then what is `DeltaABC`?

A

Right angle

B

Isosceles

C

Scalene

D

Equilateral

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MOTHERS-GEOMETRY -MULTIPLE CHOICE QUESTIONS
  1. AB is a diameter of circle with centre O. PQ is a chord which do not c...

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  2. E is a mid-point of median AD of DeltaABC. BE is extended to meet AC a...

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  3. In DeltaABC, the external angle bisector of angleA is parallel to BC t...

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  4. In a quarter circle, a square is in it such that it is placed at equid...

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  5. In a given figure, find radius of smaller circle, if PQRS is the squar...

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  6. Two same circles of radius 5 cm has a direct tangent AB and a transver...

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  7. AB and CD are two chords of circle with centre O and are perpendicular...

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  8. In a given figure, TQ and TP are tangents on bigger circle with centre...

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  9. In a figure, CD is a direct tangent which touch at C and D to the circ...

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  10. In a given figure, O is centre of circle then anglex+angley = ?

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  11. In a figure, ABCD is a rectangle and P & Q are mid-points of CD and BC...

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  12. In a figure AE = BC and AE||BC and length of AB, CD and ED are same th...

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  13. In a trapizium ABCD, angleBAE=30^(@), angleCDF=45^(@), BC = 6 cm. and ...

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  14. In a given figure, sides BA and DC of quad. ABCD are extended then whi...

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  15. In a given figure, AB||CD||PQ, AB = 12 cm., CD = 18 cm. and AC = 6 cm....

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  16. In a given figure, AB||DC if x=(4)/(3)y and y=(3)/(8)z then angleBAD =...

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  17. In a given figure, If AD = DE = EC = BC then angleA : angleB = ?

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  18. If O is a circumcentre of DeltaABC and OD|BC the find angleBOD?

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  19. If the sides of triangle are in ratio 4 : 5 : 6 and its inradius is 3 ...

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  20. X and Y are centres of circles of a radii 9 cm and 2 cm respectively, ...

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