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The three angles of a quadrilateral are respectively equal to 110°, 50° and 40°. Find its fourth angle. |
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Answer» We know that Sum of angles of a quadrilateral is = 360° So, 110° + 50° + 40° + x° = 360° x° = 360° – 200° x° = 160o ∴ Value of fourth angle is 160o |
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