Difference between revisions of "Complementary angles"
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==Properties and Examples== | ==Properties and Examples== | ||
===Property=== | ===Property=== | ||
− | <math>\angle A</math> is complementary to <math>\angle B</math> if and only if <math>\angle A + \angle B = 90</math> <math>degrees</math> | + | <math>\angle A</math> is complementary to <math>\angle B</math> if and only if <math>\angle A + \angle B = 90</math> <math>\text{degrees}</math> |
===Examples=== | ===Examples=== |
Revision as of 17:08, 4 January 2020
Contents
[hide]Diagram
![[asy] import olympiad; size(150); pair D = (0, 10), C = (10, 5), B = (10, 0), A = (0, 0); draw(A--B); draw(C--A); draw(D--A); label("$A$", A, SW); label("$B$", B, SE); label("$C$", C, W); label("$D$", D, NE); [/asy]](http://latex.artofproblemsolving.com/1/b/d/1bd23ed11664b0cee697fc4b5c38c234b7f6d6a1.png)
As long as is a right angle,
and
are complementary angles to each other.
Definition
Bing/Google
Either of two angles whose sum is 90°
Merriam-Webster
Two angles that add up to
Properties and Examples
Property
is complementary to
if and only if
Examples
If is
and
is
, angle A and angle B are complementary since
If is
and
is
, angle A and angle B are not complementary since
, and not
.
Related Topics
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