Question

HELP!!! please
Find x.
A. 7 times the square root of 2
B. 7
C. 14
D. 7 times the square root of 3
is it C. 14??

Answer 1

whats the problem?

Answer 2

^^Look upat the picture

Answer 3

Gees these are the times I wish I had my good calculator... okay well do you know how a 45-45-90 triangle formula is set up?

Answer 4

sort of

Answer 5

sin 45 = opposite/hypotenuse = 7rt2/x

Answer 6

rearrange to make x the subject

Answer 7

so its B. 7

Answer 8

the answer its C. 14

Answer 9

like I thought lol

Answer 10

pythagorean theorem
2(7rt2)^2 = x^2
2*49*2 = x^2
2 * 7 = x
Ans C