Math, asked by bhakti59, 9 months ago

in trapezium ABCD, side AB || side DC
diagonals AC and BD intersect
in point O. If AB = 20. DC = 6, OB = 15, then find OD.

Answers

Answered by rajsingh24

100

Side AB || Side DC and line DB is transversal

.'.

Side AB || side DC and line AC is transversal

.'. triangle DCO ≈ OAB ...AA test ... from (1) & (2)

≈ means Similar

DC/BA = DO/BO ... Ratio of corresponding sides of 2 similar triangles

DC/BA = DO/BO

6/20 = DO/15

DO × 20 = 6 × 15

.'. DO = 4.5

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Answered by rutujamohite28

hope it would help you.......

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