Question

In ∆XOC, ∠XCD =130° and ∠X0C = 50°. Find ∠0XC = ?

Answer 1

Step by Step Explaination.

∆ XOC is a Triangle.

Therefore, we know that sum of all angles of triangle is 360° .

Therefore, angle XCD + angle XOC + angle OXC = 360 °

Therefore , 130° + 50° + angle OXC = 360°

angle OXC = 360° - 180°

= 180 °

Therefore , angle OXC = 180°

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