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You can measure it. Or you can calculate it based on something else you know about the triangle; for example:
* If you know the measures of the other two angles, use the fact that the sum of all three angles is 180°.
* If you know the length of all three sides, you can find the angles using the law of cosines. Or basic trigonometry, if you also know that one of the angles is a right angle.
* If you know something else about the triangle, you may or may not have enough information to calculate the measure of an angle. In that case, I suggest you ask a specific question, stating what you know.
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How do you find the side of a triangle?
To find the degree of angle of a side of a triangle, a protractor is needed to measure the angle. Place the '0' on the protractor on the point of the angle and look at the top part to determine degree of angle. To measure the length of a triangle side, a simple ruler can be used to measure the length.
The measure of an exterior angle of a triangle is120 degrees the interior angles that are not adjacent to this exterior angle are congruent find the measure of the interior angles of the triangle?
They are all 60 degrees.
What is the measure of angle b in a triangle?
it depends on the triangle
Two angles of a triangle measure 32 and 70 Find the measure of the third angle?
The third angle is [180-(32+70)] = 180-102 = 78
If Two angle measurements in a triangle are 35 and 77 Explain how to find the third angle measure in the triangle?
The sum of the three angles of a triangle will always be 180 degrees. So to find the third angle, one must take 180 - 35 - 77. The answer would be 68
