151k views
3 votes
Two angles of traingle is 40° and 60° . find the measurement of the third angle​

User Krifur
by
8.1k points

2 Answers

3 votes

Answer:

Let the third angle be
{x°}

Since the sum of all three angles of a triangle is 180°,

We have

40°+60°+
{x} = 180°

→ 100+
{x} = 180°


{x} = 180-100 = 80°

The measure of the third angle is 80°

User Marco Frost
by
8.7k points
1 vote

Answer:

80 degrees

Explanation:

the angles in a triangle all add up to 180 degrees

User Marcosbdm
by
8.7k points

Related questions

1 answer
2 votes
97.4k views
1 answer
1 vote
109k views