82.5k views
4 votes
Trigonometric ratios and finding missing sides. please help with 10 and 11!!

Trigonometric ratios and finding missing sides. please help with 10 and 11!!-example-1
User Ques Tion
by
7.5k points

1 Answer

1 vote

Answer: 10. 20.5 and 11. 13.8

Explanation:

Answer for question 10:

tanθ
=(x)/(42)

θ
=180-(64+90)=26

tan
26=(x)/(42)


42(tan26)=20.5

Answer for question 11:

sin
70=(13)/(x)


x(sin70)=13


x=(13)/(sin70)=13.8

User Mtflud
by
6.9k points