In triangle abc, angle a = 74°, a = 126, and b = 84. find angle b.

a. 39.9°
b. 79.4°
c. 80.8°
d. impossible to tell

Currently doing the test and got  A. 39.9°.

The full process is explained above. This is a confirmation that the other person is correct.

i got 86 for this

hope this !

if you need an explanation just ask

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4