Lines of symmetry if the triangle is isosceles.
4, 2, 1
Answer:
120 deg
Step-by-step explanation:
There is an angle symbol in the equilateral triangle and another symbol in half of the vertex angle. Those two angles are congruent.
The measure of the vertex angle is 2 * 60 deg = 120 deg
Answer: 120 deg
Answer:
6
Step-by-step explanation:
Answer:
1,2,3,4,6,12
Step-by-step explanation: