Math, asked by killerjoy524, 3 months ago

please help it's an problem

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Answered by ashiraahammed

2

Answer:

40

Step-by-step explanation:

by tangent radius theorem, <OAC and <OBC is 90⁰.

by angle sum of quadrilateral, <A + <B + <C + <O = 360

=> b+100+ a+40 + 90+90= 360

=> a+ b + 320 = 360

=> a+b = 360-320 = 40

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