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How do I find the sum of the measures of the marked angles?

User Taylrl
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Answer: Total angles on the 4

Explanation:

The sum of the marked angles = Total angles on the 4 straight lines – Sum of the interior angles of the quadrilateral. Sum of interior angles of polygon of 4 sides = (4 – 2) *1800 =3600

Hence, sum of the marked angles = 4 * 180° – 360° = 720° – 360° = 360°

User Vahapt
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