Question

sin ∠A =
1.3/5
2.4/5
3.3/4
4.5/4
https://paysonusd.owschools.com/media/g_geo_ccss_2016/5/67_335.gif

Answer 1

Here is an easy way of remembering things for problems like this: SOH CAH TOA where sin is opposite over hypotenuse, cos is adjacent over hypotenuse, and tangent is opposite over adjacent. This problem is asking us to find sin, so we would use the opposite side over the hypotenuse.