Question

І In ∆ABC , LB= 60 and Lc= 50°
find LA?​

Answer 1

Step-by-step explanation:

we know that sum all angles of a triangle is 180

A+B+C = 180

Let A be x

x+ 60+50= 180

x+ 110= 180

x= 180-110

x= 70

so measurement of angles A is 70

Hope it will help u....