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What is Understanding Angles and Their Sums about?
1. The sum of the angles around a point is 360°. The sum of the angles on a straight line is 180°. The sum of the angles in a triangle is 180°. 2. The sum of the angles in any quadrilateral is 360° because you can draw a diagonal to split it into two triangles, and the sum of the angles in each triangle is 180°. 3. To find missing angles, use the properties that the sum of angles around a point is 360° and the sum of angles in shapes like triangles and quadrilaterals is a known value like 180° or 360°. T
- Author
- christal
- Language
- EN