Question

what is a formula of triangle? ​

Answer 1

Answer:

Perimeter = Side + Side + side

Area = 1/2 * b * h

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Answer 2

Step-by-step explanation:

Always, always, ALWAYS! The Pythagorean Theorem: This formula is for right triangles only! The sides, a and b, of a right triangle are called the legs, and the side that is opposite to the right (90 degree) angle, c, is called the hypotenuse.