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vertical angles are when you have an "x" made by intersecting lines and the angles in it are vertical angles. Opposite angles are when you have the x, the angles are on directly opposite sides. --->x<--- those are opposite of each other. therefore they are opposite angles. the arrows are pointing at them
complementary angles add up to 90 degrees x+y=90 y=x+12 x+x+12=90 2x+12=90 2x=78 x=39 x+39=90 x=51 so the angles are 39 degrees and 51 degrees
The right angle = 90 degree. If x is an angle and if these 3 angles are equal then x + x + x = 90 3x = 90 x = 90/3 x = 30 degree So, the angle is 30 degree each.
If: 2x+2x+x+x = 360 degrees then x = 60 degrees. Therefore angles are: 60 degrees, 60 degrees, 120 degrees and 120 degrees
Let x be any number such that 0 < x ≤ 45 The a right angled triangle has angles of 90, x and 90-x degrees.