Question

sin x = 1/4, x in quadrant 2​

Answer 1

Step-by-step explanation:

Let ABC is a triangle in which exterior of C is 180°-C.

115°=180°-C

C=180°-115°= 65° , Answer

A+B+C=180° , Put C=65° and B=35°(given)

A+35°+65°=180°

A=180°-100°=80° , Answet

A=80° , C= 65° , Answer