One of the adjacent corners is 33 degrees greater than half of the second adjacent corner. Find these corners.
March 8, 2021 | education
| 1. Let us denote the degree measure of one of the adjacent angles by x.
2. Let’s define the degree measure of the second angle:
(33˚ + x / 2).
3. Since the sum of adjacent angles is 180˚, we compose and solve the equation:
(33˚ + x / 2) + x = 180˚;
33˚ + x / 2 + x = 180˚;
1 1/2 x + 33 + = 180˚;
1 1/2 x = 180˚ – 33˚;
1 1/2 x = 147˚;
x = 147˚: (1 1/2);
x = 147˚: (3/2);
x = 147˚ * (2/3);
x = (147˚ * 2) / 3;
x = 294/3;
x = 98˚.
4. The degree measure of one of the adjacent angles is x = 98˚.
5. What is the degree measure of the second angle?
180˚ – 98˚ = 82˚.
Answer: the degree of the first angle is 98˚, the degree of the second angle is 82˚.
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