Question

How do you solve the triangle given `A=60` degrees, `a=20((3)^(1/2)), b=40?`

Answer 1

B = 90 deg. So, C= 180 `-` ( 60 + 90 ) = 30 deg..

Explanation:

sin B = b/a sin A gives B. C = 180 `-` ( A + B )
a, b and included angle C are known. So, the triangle is fixed.