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Yes, if the sum of two acute angles is 90° they are said to be complementary. This is commonly seen with the two other angles in a right angled triangle.
This property leads to the sine of an angle equalling the cosine of its complement, and the tangent of an angle equalling the cotangent of its complement.
e.g. sin 26° = cos 64° : tan 37° = cot 53°
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Earn +20 ptsQ: Two angles measuring 90 degrees are complementary?
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What is the sum of measures of complementary angles?
Complementary angles are two angles that add up to 90 degrees. Example: 50 and 40 degrees
What is the degrees of two angles if they are complementary?
Their sum is 90 Degrees.
What is the union of two complementary angles?
The sum of the angles is 90 degrees.
If two angles are complementary and one of them is 32 degrees what must be the measure of the other?
58, complementary means the angles add to 90 degrees
When the sum of two angles are ninety degrees?
They are complementary.
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