Solve the problems below. Please answer with completely simplified exact value(s) and expression(s). Given: ΔABC, m∠ACB=90°, CD⊥ AB, m∠ACD=60°, BC=6cm
Find CD and the area of ΔABC

Thank you for doing this math problem. You can do it. I believe in you! I sort of have a due date, so if you don't mind please do this ASAP.

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

your answer is  

a.

5

step-by-step explanation:

x:       y:  

-1         4

0         4

1         6

2         18

3         20