Question

the sum of two angle of a triangle is 80 degree and their difference is 20 find all the angle​

Answer 1

Let a,b,c be the angles of triangle

Given a+b=80&a-b=20

Add both

(a+b)+(a-b)=80+20

2a=100

a=50

b=80-50=30

c=180-(50+30)=180-80

=100

Angles of the triangle are 100,50&30

HOPE IT HELPS YOU

Answer 2

Answer:

the angles of the triangle are 100,50&30

Step-by-step explanation:

Here, Let a,b,c be the angles of triangle :

Given a+b=80&a-b=20

add both ::

(a+b)+(a-b)=80+20

2a=100

a=50

b=80-50=30

c=180-(50+30)=180-80

 =100

Hence, the angles of the triangle are 100,50&30

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i hope it will helps you friend