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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.
A right angle
You cannot. An angle of a triangle can have any value between 0 and 180 degrees.
90 degrees
80 degrees
You can measure it. Or you can measure some other quantities (for examples, the lengths of the sides of a triangle), and calculate the angle using trigonometry.
67 degrees
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.
It is an isosceles triangle because the third angle must measure 50 degrees
130 degrees
It is a right angle triangle.
100.
in triangle def side de equals 5 and angle d equals 55 find fe
37 degree
45 degree
60º
A right angle