One of the angles formed at the intersection of two straight lines is 48 ° larger than the other. Find these corners.
August 12, 2021 | education
| 1. Let’s denote the degree measure of the smaller angle through x.
2. Determine the degree measure of the larger angle:
(x + 48˚)
3. Since the sum of adjacent angles is 180˚, we compose and solve the equation:
(x + 48˚) + x = 180˚;
x + 48˚ + x = 180˚;
2x + 48˚ = 180˚;
2x = 180˚ – 48˚;
2x = 132˚;
x = 132˚: 2;
x = 66˚.
4. The degree measure of the smaller angle is x = 66˚.
5. What is the degree measure of the larger angle?
x + 48˚ = 66˚ + 48˚ = 114˚.
6. As you know, the vertical angles are equal, so the large angles formed at the intersection of two straight lines will be equal to 114˚, and the smaller angles will be equal to 68˚.
Answer: the degree measures of the angles formed at the intersection of two straight lines are equal to 114˚, 68˚, 114˚, 68˚.
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