Question

Solve for x.


√(89)
√(39)
√(26)

https://media.glynlyon.com/g_geo_2013/5/group134.gif

Answer 1

pythagora!!

Answer 2

im using tan, i tried with every answer option and getting them all false

Answer 3

you cannot use tan cuz u dont knw any of the angles yet

Answer 4

simply use pythagora :

a^2 + b^2 = c^2

Answer 5

sum of squares of legs = square of hypotenuse

Answer 6

5^2 + 8^2 = x^2

solve x

Answer 7

ohh, so you dont need to use SOG CAH TOA when there are no angles?

Answer 8

yes, SOH-CAH-TOA are defined based on angle and ratio of sides
you need atleast one angle to find the unknown sides

Answer 9

rule of thumb : Always try pythagora first

Answer 10

okay then. that makes sense.

√(89)

Answer 11

\(\large \color{red}{\checkmark}\)

Answer 12

thanks!

Answer 13

np :)