Question

http://imageshack.us/a/img706/3520/math1h.png
What is the value of x?
2√3
4√3
4
6

Answer 1

use this :
x^2 = 2 * 6
solve for x

Answer 2

x^2=2*6
x^2=12
unsquared:
x=3.5
is this it?

Answer 3

take square root
x^2=12
x = sqrt(12)
x = sqrt(4 * 3) = sqrt(4) * sqrt(3) = 2 sqrt(3)

Answer 4

oh! thanks!
Can you help me with another question?

Answer 5

if i can :)

Answer 6

http://img692.imageshack.us/img692/5539/math2uq.png
Which similarity statement is true?
ΔWYZ ~ ΔXZW ~ ΔXYZ
ΔWYZ ~ ΔWZX ~ ΔZYX
ΔYZW ~ ΔXZW ~ ΔXZY
ΔYZW ~ ΔZXW ~ ΔZYX

Answer 7

im sure it is B, because the angles were similar

Answer 8

thanks, one more?

Answer 9

sure

Answer 10

http://img401.imageshack.us/img401/3431/math3.gif
What is the value of x in the diagram below?
x = 12√5
x = 12√14
x = 4√70
not enough information

Answer 11

use this :
x^2 = 20 * 56
solve for x

Answer 12

x^2=20*36
x^2=720
x=sqrt720
x=26.83

Answer 13

20 * 56 not 20 * 36 :P

Answer 14

where did you get 56 from?

Answer 15

i wrote it above :P

Answer 16

yeah, but the picture says 36, not 56... so.. I don't know how you got 56

Answer 17

hmmm. i have use the similar concept. but to get easier way actually i always use that formula