Question

help anyone please ? anyone

Answer 1

A+B+C=180°
60°+70°+B=180°
B=180°-(60°+70°)
B=180°-130°
B=50°
So,B=50°

Side b will be 16 and c will be 15.

Hope this helps!!
(^.^)

Answer 2

Answer:

Step-by-step explanation:

B = 180 - 60 - 70

= 50

the theorem of sines gives

b / sin B = a / sin A

that is

b = a sin B / sin A

= 13 sin 50 / sin 60

similarly, the theorem of sines gives

c / sin C = a / sin A

that is

c = a sin C / sin A

= 13 sin 70 / sin 60