What Do Angles on a Straight Line Add Up to
Angles on a straight line add up to 180. The exterior angles of any polygon add up to 360 degees so if its a regular polygon each exterior angle is 360number of sides. Free Printable Math Sheets Angle Measuring 2 Gif 1 000 1 294 Pixels Math Sheets Math Workout Chart Or 180 -interior angle exterior angle because angles on a straight. . To find the unknown angle first add the known angles together. In the diagram above the circle to the left is split into three sectors the angles of the green and white sectors are both 90 adding up to 180. Angles on a straight line will always add up to 180. And you also know that angles on a straight line add up to 180. This is because the two angles sit next to each other on a straight line and all angles on a straight line add up to 180. A110 180 a 70 a 110 180 a 70. 2 Mark the outer angles. Bolster your practice with this set of grade 6 pdf worksheets to find the value o...