Solve for the specified value of the following right triangle.

Question

If B = 77.66° and a = 43.21 in, find b.

 

20.34 in

197.52 in

9.23 in

42.21 in

Answer 1

I assume that c is the hypotenuse and a and b the legs,

tan B= b/a = b/43.21

b=43.21 x tan 77.66

b=197.52 in

second answer