Right triangle abc is isosceles and point m is the midpoint of the hypotenuse.

what is true about triangle amb?

it is congruent to triangle abc.
it is an obtuse triangle.
it is an isosceles right triangle.
it is a scalene 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.

Idon’t see a picture