A triangle in which one angle is a right angle (90 degree) is called a right triangle. The side opposite to the right angle is called hypotenuse and the remaining two sides are called the legs of the triangle. In the following figure, angle is an acute angle that is, . The laws of trigonometry …
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Pythagorean Theorem
Pythagorean theorem states that for a right triangle, the square of its hypotenuse is equal to the sum of squares of its adjacent arms. Mathematically it can be expressed from the following figure as Proof: From the trigonometry we know, or, or, or, and So, [since A + B = 90] Example: Suppose that you …