Question

trigonometry, find d?

Answer 1

book says d=351

Answer 2

theta1 and theta2 are small angles, so sin=tan=theta

Answer 3

there are 250 - 200 - and d ?

Answer 4

yes

Answer 5

theta 2 = theta 1 / 1,33

Answer 6

yep

Answer 7

tan theta 1 = y/250

on the right side from the top

tan theta 2 = x/200

but this tan theta 2 =x/200 for down angle theta 2 too

do you have any choices for distance d. ?

Answer 8

this line 250+200+d wan being a chord of circle ?

Answer 9

no, just a straight line

Answer 10

actually, it's a physics problem, we should use senll's law n1sin(theta1)=n2(sin(theta2), n1=air=1, n2=water=1.33

Answer 11

than this is a physics problem so try post it there please and probably will get ussefully help there