Q: How do you calculate the size of an angle?

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The exterior angles of any polygon add up to 360. 360/8 = 45

90

If you're only given the base, then you can't calculate the other leg. If you have any one of the following, then you can calculate all of the parts of the triangle: -- length of the other leg -- length of the hypotenuse -- size of either acute angle

A ten-sided polygon. The sum of the angles of a decagon is 1440°. so 1440°÷10=144° ---------------------------------------------------------------------------- The easiest way to calculate this is to calculate the exterior angle and use the fact that the exterior and interior angles are supplementary. Sum exterior angles = 360° → Each exterior angle of a regular decagon is 360° ÷ 10 → Each interior angle of a regular decagon = 180° - 360° ÷ 10 = 144°

The formula can't even be written unless you know either -- the size of one of the other sides of the triangle, and the size of the angles at both ends of it, or else -- the size of both other sides of the triangle, and the size of the angle between them.

Related questions

Calculate the percentage that a particular sector represents of the total value. Then the angle size is 3.6 times the percentage.

The exterior angle is 360/32 = 11.25 Therefore the interior angle is 180 - 11.25 = 168.75

The definition of a right angle is an angle measuring 90 degrees. You don't have to calculate anything.

Calculate the percentage of a sector relative to the budge total. The angle for that sector is 3.6 times the percentage.

gghg a regular polygon has a 32 sides. calculate the size of each interior angle.

Angle A=opposite/adjacent shift tan Angle B=90-Angle A

interior = 720/6 = 120 so exterior = 180 - 120 = 60 degrees

The exterior angles of any polygon add up to 360. 360/8 = 45

If two observers AT EXACTLY THE SAME MOMENT will measure the altitude angle of the Sun above the horizon, then you can calculate the size of the Earth.

90

Balance with controlling angle

The easiest way to calculate this is to calculate the exterior angle and use the fact that the exterior and interior angles are supplementary. Sum exterior angles = 360° → Each exterior angle of a regular 28-agon is 360° ÷ 28 → Each interior angle of a regular 28-agon = 180° - 360° ÷ 28 = 167 1/7° ≈ 167.14°