Question

Help!? Find the length of angel DE

Answer 1

Are you in Connections academy?

Answer 2

Pythagorean theorem, a^2+b^2=c^2

16^2+12^2=c^2

solve for c

Answer 3

Use the Pythagorean theorem. a^2+b^2=c^2

Answer 4

so c?

Answer 5

No.
400=c^2
c=?

Answer 6

you have to get just c, not c^2. so you \[c=\sqrt{400}\]

Answer 7

find the square root to find the answer to c

Answer 8

i'm confused ....

Answer 9

square root of 400?

Answer 10

Yes that will give you your answer.

Answer 11

\[\sqrt{144+256}=20\]20