Question

help

Answer 1

find ad

Answer 2

Lets draw it out first.

Answer 3

ac=12cm

Answer 4

Ok, I am going to redraw triangle BCD.

Answer 5

Using the pythagorean theorem, we can find CD

Answer 6

ok

Answer 7

\[CD=\sqrt{(2\sqrt{34})^2-(6)^2}\]

Answer 8

So what will you get for CD? :) @imasim

Answer 9

i have no idea 345

Answer 10

I DIDNT MEAN TO PUT THE NUMBERS MYBAD

Answer 11

Haha, no problem! Just solve this.

\(\color{blue}{\text{Originally Posted by}}\) @Jhannybean
\[CD=\sqrt{(2\sqrt{34})^2-(6)^2}\]
\(\color{blue}{\text{End of Quote}}\)

Answer 12

how i dont know how

Answer 13

Well, \((2\sqrt{34})^2 = (2)^2 \cdot (\sqrt{34})^2\)

when you square a square root, you get the term inside the square root. Always remember: \((\sqrt{x} \cdot \sqrt{x}) = x \implies x = \sqrt{x} \cdot \sqrt{x}\)

Answer 14

So plugging that in to your calculator, what do you get for that?