No because a triangles inner angles must equal a whole 180 degrees and an equilateral has to have all equal interior angles and 75+75+75 does not equal 180
No because the 4 interior angles must add up to 360 degrees
105
30
The sum of an angle and its complement is 90 degrees. So the unknown angle must be 90 - 75 = 15 degrees.
360 - 75 = 285
A 75 degree angle.
It is an acute angle
Use a protractor and a straight edge to construct a 75 degree angle
15 degrees
It is: 180-75 = 105 degrees
The third angle is 68 degrees which makes it a scalene triangle
180-75=105 degrees
75 degrees
105 degrees
The supplementary angle of 57 degrees is 123 degrees The complementary angle of 75 degrees is 15 degrees So: 123 minus 15 = 108 degrees
A pair of supplementary angles add up to 180 degrees. Therefore, the supplement to a 105 degree angle is equal to 180 - 105 = 75 degrees.
It is a right angle triangle and angle A measures 15 degrees.