Given a right triangle, the magnitude of one acute angle of which is 79 degrees, determine the size of the second acute angle of this triangular
As you know, the sum of all the angles of any triangle is 180 °.
Since the indicated triangle is right-angled, one of its angles will be 90 °.
From this it follows that the sum of the two remaining angles will be:
180 ° – 90 ° = 90 °.
In order to determine the value of the second acute angle, it is necessary to subtract the value of the known acute angle, namely 79 °, from the sum of two acute angles.
As a result, we get:
90 ° – 79 ° = 11 °.
The second acute angle is 11 °.
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