Consider the figure below and mark the line segments and angles that are congruent, given that H is the incenter of the triangle.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

b

step-by-step explanation: sorry if not correct becaude my brother is loud and i could not think!