The 3 interior angles of any triangle add up to 180 degrees.
a TRIANGLE HAS 180 DEGRESS! a new born knows that! LOL
There are 180 degrees in a triangle.
A right triangle.
180
A triangle with the third angle that measures 30 degrees.This triangle is not isosceles nor equilateral but has one obtuse angle.
ISOSCELES triangle. Because it contains two EQUAL angles ( and two EQUAL sides)-.
Vertex angle: 180-42-42 = 96 degrees
180 dregress
The 3rd angle is 30 degrees which would form an obtuse or scalene triangle.
180 degrees
300 degress
The Right Angle.