No, they cannot.
Yes
yes
An isosceles triangle (180*) - two sides are the same length.
oxygen, fuel, heat and chemical chain reaction
8
88
No, they cannot.
never
A isosceles triangle
Yes
yes
The sum of the angles in a triangle is 180 degrees.
Scalene triangle has no sides of same length
It could be an isosceles triangle or a scalene triangle.
An isosceles triangle (180*) - two sides are the same length.
oxygen, fuel, heat and chemical chain reaction