Question

In the given figure two straight line AB and CD intersect at a point O such that angle AOC=50 degree. Find :(i) angle BOD and angle BOC. ​

Answer 1

Answer:

angle BOD is 50 degree (vertically opposite angles)

angle BOC is 130 degrees(180-50)

Answer 2

☜☆☞hey friend!!! ☜☆☞

AB and CD intersect at O and CD is a straight line.

(i) ∠COA+ ∠AOD = 180° (linear pair)

42°+ ∠AOD = 180°

∠AOD = 138°_____answer

(ii) ∠COA and ∠BOD are vertically opposite angles.

∴∠COA = ∠BOD = 42° [from (i)]

(iii) ∠COB and ∠AOD are vertically opposite angles.

∴∠COB = ∠AOD = 138° [from (i)]

Hope it helps...

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