Question

See Comment. Help Please

Answer 1

ah 30-60-90 triangles, give me just a minute :)

Answer 2

do you know which option it is .. i don't understand the 2*9*sqrt3

Answer 3

All we need to wory about is line AC

Answer 4

so its 18?

Answer 5

Yep

Answer 6

so how exactly do you solve these

Answer 7

sqrt3 means \(\sqrt3\)

Answer 8

im not really understanding how you're getting the answers

Answer 9

It is just the 30-60-90 rule for triangles.
http://www.regentsprep.org/regents/math/algtrig/att2/ltri30.htm

Answer 10

whats the 45 45 90 one

Answer 11

1:1:rt2

Answer 12

rt2 is the hypotenuse

Answer 13

1's are the legs since it is isosceles

Answer 14

http://www.regentsprep.org/regents/math/algtrig/att2/ltri45.htm

Answer 15

Hopefully those 2 links help?

Answer 16

I'm just having trouble understanding the square root stuff..

Answer 17

Do you know what a square root is?

Answer 18

yeah i don't understand why they're on triangles..

Answer 19

It is just the rule

Answer 20

?