Question

In the above figure, if AB||CD and O is a point in between such that ∠OAB = 30° and ∠OCD =40°, then the value of ∠AOC is

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Answer 1

Answer:

the value of angle a is equal to 180 - 70 degree is equal to 110 degree. Please mark me as brainlist....please......please......

Answer 2

Step-by-step explanation:

In the given figure, lines AB and CD intersect at O.If ∠AOC+∠BOE=70∘ and ∠BOD=40∘ find ∠BOE and reflex of ∠COE



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ANSWER

Given:∠BOD=40∘

Since AB and CD intersects, ∠AOC=∠BOD(vertically opposite angles)

∠AOC=40∘

Also,∠AOC+∠BOE=70∘

⇒∠BOE=70∘−∠AOC=70∘−40∘=30∘

We need to find reflex∠COE

Reflex∠COE=360∘−∠COE

Now, ∠AOC+∠COE+∠BOE=180∘

⇒∠COE+(∠AOC+∠BOE)=180∘

⇒∠COE+(40∘+30∘)=180∘

⇒∠COE=