Question

What is the value of y? у 45° 25 Х

Answer 1

Answer:

here's the solution : -

by using trigonometry, we know

$\tan( 45 ) = \frac{25}{y}$

=》

$1 = \frac{25}{y}$

=》

$y = 25$

now,

$\cos(45) = \frac{y}{x}$

=》

$\frac{1}{ \sqrt{2} } = \frac{25}{x}$

=》

$x = 25 \sqrt{2}$