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Please help Find: ∠a ∠b ∠c

Please help Find: ∠a ∠b ∠c
asked 91.7k views
2 votes
Please help Find: ∠a ∠b ∠c

Please help Find: ∠a ∠b ∠c-example-1
asked
User Zack Ream
by
8.0k points

1 Answer

2 votes

Answer:

A-40

B-140

C-140

Explanation:

b and c are supplementary angles to angle 40.

Therefore 180-40= 140.

and opposite angles in a quadrilateral are congruent to each other.

answered
User Quervernetzt
by
8.4k points
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