Question

In the following figure, the measure of ∠A is​

Answer 1

Answer:

as we know

A+B+ C = 180

60+40+A= 180

100+ A = 180

A = 180-100

A = 80

Step-by-step explanation:

Hope it help you..

Answer 2

Step-by-step explanation:

in triangle ABC <b=60 <C=40

by using Angle sum property

we can say

<A+<B+<C=180

<A+60+40=180

<A+100=180

<A=180-100

<A=80

Thanks