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The answer is 24 tan(9.5).

Think of the ladder as an isosceles triangle. In order to use trigonometric functions on it, it has to be split into two right triangles, each with hypotenuse 12 and top angle 9.5 (half of the original angle.) Take the tangent of that angle and multiply it by twelve (the hypotenuse) and two (re-adding the two halves of the triangle) and you find the length of the base - which is ~ 4.016 feet.

Q: How far apart are the legs of 12-foot stepladder if the angle between the legs is 19 degrees?

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No such thing as opposite of acute angle. An ACUTE angle is an angle of less than 90 degrees. A RIGHT angle is an angle of 90 degrees only. An OBTUSE angle is an angle between 90 degrees and 180 dehrees. An angle of 180 degrees is a straight line. A REFLEX angle is an angle between 180 degrees and 360 degrees.

A reflex angle.

It is a reflex angle that is between 180 and 360 degrees.

An obtuse angle

An obtuse angle

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angle between 90 and 180 degrees is A obtuse angle

An angle that is between 90 degrees and 180 degrees is called an obtuse angle. Ex. : 175 degrees, 140 degrees.

No. An obtuse angle is between 90 degrees to 180 degrees/ No. An obtuse angle is between 90 degrees to 180 degrees/

No such thing as opposite of acute angle. An ACUTE angle is an angle of less than 90 degrees. A RIGHT angle is an angle of 90 degrees only. An OBTUSE angle is an angle between 90 degrees and 180 dehrees. An angle of 180 degrees is a straight line. A REFLEX angle is an angle between 180 degrees and 360 degrees.

An acute angle is between 0 and 90 degrees. Angles between 90 and 180 degrees are called obtuse angles.

An angle of 52 degrees, as with any angle between 1 and 89 degrees, is an acute angle.

An obtuse angle.

A reflex angle.

As the angle is between 90 degrees and 180 degrees, it an obtuse angle.

When an angle has a measure of 120 degrees, it is an obtuse angle. When an angle is an obtuse angle its measure is between 90 and 180 degrees. That is: 90 degrees < obtuse angle < 180 degrees.

It is a reflex angle that is between 180 and 360 degrees.

Any angle between 0 degrees and 90 degrees is called an "acute" angle.