Question

What is trigonometry ?

Full explanation​

Answer 1

A triangle is a well-defined bounded figure consisting of three sides and three internal angles that add up to 180 degrees. The types of triangles can be divided on the basis of length and angle.

On the basis of length, there are three types: scalene (all the sides and angles are different), isosceles (2 sides and 2 angles are equal) and equilateral triangle (all the sides and angles are equal). On the basis of angles, it is again divided into three kinds: acute-angled triangle (all angles are less than 90 degrees), right-angled triangle (one angle is equal to 90 degrees) and obtuse-angled triangle (one angle is greater than 90 degree).

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