Complementary angles add to 90 degrees so the complementary angle to 70 degrees has a measure of 20 deg.
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Complementary angles are angles that add up to 90 degrees. So, the complementary angle of 70 degrees would be 20 degrees
A pair of complementary angles add up to 90 degrees. Therefore, the complement of a 70 degree angle is 90 - 70 = 20 degrees.
first you have to change this into equation by "translating" it into math. so let x= the first angle 90-x ( because complementary means they add up to 90) = the second angle x= (90-x) + 20 x+x = 90-x+20+x 2x = 90-20 2x = 70 x = 35 the smaller angle = 35 degrees
The sum of the angles is 180 degrees in any triangle. So 180-140 is 40 and the third angle is 40 degrees.
All angle sum to 180 degrees. Take 70 from this which leaves 110 degrees. The base angles must be equal so halve this number. Base angles are 55 degrees.