Question

In abc, ac=bc cd is perpendicular with ab, d belongs to ab ab=4and cd=sqar root 3 find ac

Answer 1

The answer is root 7

Explanation:

You can find out that ΔABC is isosceles, and CD bisects AB, so AD = 2 - and now you have 2 sides given in ΔADC

Use the Pythagoras Theorum to find the hypotenuse AC

The answer is the square root of 7