Okay, I've missed allot of school due to bad bronchitis, and now I'm attempting to make up the work. Just need to know some things.
How do I find the complement of an angle? (I know what it is, not how to find it)
How do I find the supplement of an angle?
Thanks
2007-01-12 08:21:43 · 9 answers · asked by curiosityreincarnated 3 in Science & Mathematics ➔ Mathematics
What is the measure of two congruen complementry angles?
What does measure mean?
2007-01-12 08:33:54 · update #1
Suppose you're given an angle x. By definition, two angles are complimentary if those two angles add up to 90.
Therefore, to find the complement of an angle x, you just subtract 90 from it, or (90 - x).
If two angles are supplementary, they add up to 180, so to find the supplement of an angle, you calculate (180 - x).
2007-01-12 08:27:13 · answer #1 · answered by Puggy 7 · 0⤊ 0⤋
How do I find the complement of an angle? (I know what it is, not how to find it)
The complement of an acute angle x is 90 -x. The acute angles in a right triangle are complemantary because they add up to 90 degrees.
How do I find the supplement of an angle?
The supplement of an angle x is 180 - x
Two angles that add up to a straight angle = 180 degrees are supplementary. If one line stands on another line then two supplementary angles are formed.
The measure of an angle is an idication of how large an angle is. Angles are measured in degrees. There ar 90 degrees in a right angle. Each degree is divided into 60 equal parts called minutes, and each minute is further divided into 60 equal parts called seconds. So the measure of an angle might be 47 degrees, 32 minutes, 27 seconds. The ' isused for minutes and the " for seconds.
Two angles that have the same measure are said to be equal to each other. That makes sense, don't you think? And two angles that are equal to each other are said to be congruent. It means one angle could be put on top of the other and they would fit exactly. You could not tell one from the other.
2007-01-12 16:52:58 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
Complementary angles are two angles that add up to 90°.
If B is the complement of A, then B = 90° - A.
Supplementary angles are two angles that add up to 180°.
If C is the supplement of A, then C = 180° - A
2007-01-12 16:39:33 · answer #3 · answered by Helmut 7 · 0⤊ 0⤋
Complement of angle A:
B = 90- A in degrees
B = Pi/2 - A in rad
Supplement of angle A:
B = 180 - A in degrees
B = Pi - A in rad
Check out the links on Wikipedia
2007-01-12 16:26:34 · answer #4 · answered by catarthur 6 · 0⤊ 0⤋
To find the complement of an angle, you have to know that complementary angles equal 90 degrees.
Example: if you have 2 angles, and 1 angle equals 20 degrees, subtract 20 from 90 to give you its complement.
To find the supplement of an angle you, you have to know that supplementary angles equal 180 degrees.
Example:if you have 2 angles and 1 angle equals 40 degrees, subtract 40 from 180 to give you its supplement.
2007-01-12 16:29:55 · answer #5 · answered by Anonymous · 0⤊ 0⤋
The sum of an angle and it's complement is 90 degrees. Therefore take the given angle and subtract it from 90 and that will give you the complement.
The sum of an angle and it's supplement is 180 degrees. Therefore take the given angle and subtract it from 180 and that will give you the supplement.
2007-01-12 16:35:16 · answer #6 · answered by Tom C 2 · 0⤊ 0⤋
comlementary
subtract the angle given by 90
to remember that make a long line to close the c so its a nine and the o is a zero
supplementary
subtract the angle given by 180
to remember that put a 1 infront of the s, cross aline in the s on an angle to look like an eight, and close the u...its shows the # 180
2007-01-12 16:39:00 · answer #7 · answered by Elena 2 · 0⤊ 0⤋
To answer your additional question, what's a measurement of an angle? It's basically a function (call it m) assigning a real number to every angle, having these properties (in what follows, m(A) means the measure of angle A):
1) m(A) = m(B) if and only if angles A and B are congruent.
2) If ray AC is interior to the angle DAB, then m(DAB) = m(DAC) + m(CAB) - that is, adjacent angles add up.
2007-01-12 16:47:15 · answer #8 · answered by Anonymous · 0⤊ 0⤋
when you have an angle, his complement its the diference of that angle and 90
example: the complement of 34angles its (90-34=56), so its 56
and the suplement its the diference of the angle and 180
example: the suplement of 129angles its (180-129=51), so the suplement its 51
just remember complement its 90-(the given angle)
suplement its 180-(the given angle)
hope that helps you
2007-01-12 16:30:32 · answer #9 · answered by The mathematician 1 · 0⤊ 0⤋