In adjoining figure , find the sum of the angles of the three triangles and hence find the sum of the angle pentagon ABCDE .
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Answer:
What is the sum of the interior angles of 5 triangles?
The General Rule
Shape Sides Sum of Interior Angles
Triangle 3 180°
Quadrilateral 4 360°
Pentagon 5 540°
Hexagon 6 720°
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Step-by-step explanation:
where is the "Adjoining Figure" ?????
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