It says circle each fraction that is equivalent to one half so witch one 3/6 4/9 or 4/8 5/10

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.

mark other person brainliest

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.