Question

Two angles of a traingle are 30. And 80. Find the third angle

Answer 1

Hey dear.....

Let the third angle be x.

80+30+x=180 degrees.

Because we know that sum of all angles in a triangle is 180.

=>110+x=180
=>x=180-110.
=>x=70 degrees.

Hope it helps....

Answer 2

Answer:Let the third angle be x.

80+30+x=180 degrees.

Because we know that sum of all angles in a triangle is 180.

=>110+x=180

=>x=180-110.

=>x=70 degrees.

Step-by-step explanation:

i am doing exam and i write this answer thanQQQQQ