One corner of a parallelogram is four times the other angle of this parallelogram.
September 14, 2021 | education
| One corner of a parallelogram is four times the other angle of this parallelogram. Find the measure of the smaller of the angles of the parallelogram.
In order to find the angles of a parallelogram, we will compose and solve an equation.
Let’s look at what we know from the condition. The condition says that one corner of the parallelogram is 4 times larger than the other.
There are two kinds of angles in a parallelogram:
1. opposite – they are equal to each other;
2. one-sided – their sum is 180 °.
In our case, we are talking about one-sided. Let’s denote one of the corners as x, then 4x is the second corner.
x + 4x = 180;
x (1 + 4) = 180;
5x = 180;
x = 180: 5;
x = 36 ° smaller angle and 36 * 4 = 144 ° larger angle.
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