Question

define various types of angles and degree​

Answer 1

Answer:

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.

It is not an SI unit, as the SI unit of angular measure is the radian, but it is mentioned in the SI brochure as an accepted unit.[4] Because a full rotation equals 2π radians, one degree is equivalent to  

π

/

180

radians..

In plane geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.[1] Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane. Angles are also formed by the intersection of two planes in Euclidean and other

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Answer 2

Answer

the various types of angles are-

• acute angle - measures { more than 0° but less than 90°}
• obtuse angle - measures - { more than 90° but less than 180° }
• reflex angle - measures - { more than 180° but less than 360° }
• straight angle - measures { 180° }
• complete angle - measures { 360°}

Step-by-step explanation:

extra information

1 Angle-

an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. ... Angles formed by the intersection of two curves in a plane are defined as the angle determined by the tangent rays at the point of intersection.

• Obtuse angle –

An angle whose measure is more than 90° but less than 180° is called an obtuse angle.

• Reflex angle –

An angle whose measure is more than 180° but less than 360° is called a reflex angle.

• Complementary angles –

Two angles are said to be complementary, if the sum of their measure is 90°.

• Supplementary angles-

Two angles are said to be a supplementary angle if the sum of their measures is 1800. It is not necessary that a supplementary angle will lie on the same line, they can be on different lines but should measure 1800. In the supplementary angles if one is an acute angle then the other is an obtuse angle.

• interior of an angle-

The area between the rays that make up an angle, and extending away from the vertex to infinity.

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