Question

In the right triangle shown, what is the value of x (to the nearest tenth)?

Answer 1

Do you know about the Law of Sines?

Answer 2

First,
statement: sum of all the angle of a triagle is 180
90 + 25 = 115

180 - 115 = 65

Answer 3

now,
tan 65 = opp/adj

where oop is10 n adj is x

Answer 4

tan 65 = 2.144

so,

2.144 = 10/x

Answer 5

x = 10/2.144

Answer 6

Thank you!