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If two lines intersect, then vertically ...

If two lines intersect, then vertically opposite angles are......... .

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If two lines intersect at a point, the vertically opposite angles are always . . . . . . . . . . .

When two lines intersect, the vertically opposite angles so formed are _____________

Fill in the blanks: If two lines intersect at a point, then the vertically opposite angles are always_____________.

If two lines intersect and if one pair of vertically opposite angles is formed by acute angles, then the other pair of vertically opposite angles will be formed by obtuse angles.

Fill in the blank Vertically opposite angles have a common ..........

Pair of vertically opposite angles are ______

Vertically opposite angles are not always equal.

A pair of angles which lie on the opposite side if the point of intersections are called vertically opposite angles.

Find the values of the angle x,y and z in each of the following because the two lines intersect, so pair of opposite angles are equal

In the adjoining What is the vertically opposite angle of angle5

MBD-Lines and Angles-Exercise
  1. If a ray stands on a line, then the sum of the two adjacent angles so...

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  2. If the sum of two adjacent angles is 180^@, then the .........arms of ...

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  3. If two lines intersect, then vertically opposite angles are......... .

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  4. In fig. , if AB II CD, EF | CD and angleGED = 126^@, find angleAGE, a...

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  5. In fig. , if PQ II ST, anglePQR = 110^@ and angleRST = 130^@, find a...

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  6. In fig. , PQ and RS are two mirrors placed parallel to each other. A...

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  7. In given fig. , given AB || CD if angle1 = (120 -x)^@ and angle5 = 5x...

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  8. If two parallel lines are intersected by a transversal, then each pair...

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  9. If two parallel lines are intersected by a a transversal, then interio...

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  10. Two lines are perpendicular to the same line are ......... to each oth...

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  11. If a transversal intersects a pair of lines in such a way that a pair ...

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  12. Two lines parallel to the same line are ........... to each other.

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  13. If a transversal intersects a pair of lines in such a way that the sum...

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  14. In the given fig. , sides QP and RQ of DeltaPQR aer produced to point...

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  15. In the given fig. angleX = 62^@, angleXYZ = 54^@. If YO and ZO are t...

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  16. In the given Fig. if AB II DE, angleBAC = 35^@ and angleCDE = 53^@, ...

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  17. In the given Fig. , if lines PQ and RS intersect at point T, such tha...

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  18. In the given Fig. , if PQ |PS, PQ II SR, angleSQR = 28^@ and angleQRT...

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  19. In Fig., the side QR of DeltaPQR is producted to a point S. If the bis...

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  20. If the angles of triangle are in the ratio of 2 : 3 : 4, find the thre...

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