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Q: If PRQ is the straight line, find the number of degrees in angle w?

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the angle on a straight line is 180 degrees, the angle of semicircle at centre is 180 degrees

With the protracter, its 180 degrees!!

If one interior angle is 165 degrees, find the number of sides of the polygon.

180 minus interior angle = exterior angle because there are 180 degrees on a straight line

you find a straight angle across ur curtains

Supplementary angles are angles that add up to 180 degrees, ie. a straight angle. Therefore, the angle supplementary to 101 degrees would be 180-101=79 degrees.

Find any straight side of the decagon. Move along it until it joins another side. That is where an angle is. An angle of a decagon can have any measure between 0 and 360 degrees (except 180 degrees).

90 degrees

to find the the exterior angle, divide 360 degrees by the number of sides. so the answer is 15 degrees.

90

By dividing the number of its sides into 360 degrees

The measurement of angle ABD is 73 degrees. You find this angle by subtracting angle DBC from angle ABC, or 89-16 is equal to 73 degrees.

82 degrees (180 degrees in a triangle)

the supplement of an 82 degrees angle would be 98 degrees. To find the supplement of an angle, take the degrees of the angle you were given and subtract it from 180.

Subtract the angle from 90 degrees and you have the complement Subtract the angle from 180 degrees and you have the supplement

40 degress because a straight line is 180 degrees and an interior angle with its exterioir angle is a line spilt in half so to find the interior/exterior angle, taek 180 and subtract the interior/ exterior angle and then you will get the the other angle, sorry this is kinda conufsing!

A number does not correspond to an angle. A number is a unitless measure whereas angles can be measured in at least two different sets of units: degrees or radians.

179 degrees

67.5 degrees

The exterior angles of any polygon add up to 360 degrees. So divide the amount of sides into 360 degrees and subtract your answer from 180 degrees to find the interior angle (180 degrees on a straight line)

Since interior angle+exterior angle=180 degrees We can find out the exterior angle by doing 180-140=40 degrees. To find out the number of sides we simply do 360/40=9 So the polygon has 9 sides.

To find an exterior angle of a regular 12-gon, use the formula to find the total sum of all the angles first: total sum of all angles = (n-2)*180where 'n' is the number of sides, or 12.By solving, you will find that the total sum of all angles is 1800 degrees, so since it is a regular polygon, you can divide by 12 to find the measure of each interior angle, which is 150 degrees.Once you know the measure of the interior angles, since an exterior angle is the supplement of an interior angle, subtract 150 degrees from 180 degrees (the measure of a straight line) to find the exterior angles, which will be 30 degrees.

To find an acute angle you need to find out if it is less than 90 degrees.

56 degrees

to find the degrees of an angle