Yo i need the answers for the question marks with work shown, this is pythagorean theory btw.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

What is the probably of getting heads when poing a coin and getting a number greater than or equal to 5 when rolling a single diea) 1/6b) 1/3c) 1/4d) 1/12

Given abc find the values of x and y. in your final answer, include all of your calculations.