Triangles

A triangle has 2 right angles
1. Always true
2. Sometimes true
3. Never True
A triangle has an obtuse angle
1. Always true
2. Sometimes true
3. Never True
If I know the size of 2 angles in a triangle, I can work out the size of the third angle
1. Always true
2. Sometimes true
3. Never True
A triangle can have 2 obtuse angles
1. Always true
2. Sometimes true
3. Never True
If I know the size of 1 angle in a triangle I can work out the size of the other two angles
1. Always true
2. Sometimes true
3. Never True
A triangle has all angles the same size
1. Always true
2. Sometimes true
3. Never True
A triangle has at least 2 acute angles
1. Always true
2. Sometimes true
3. Never True
A right angled triangle is also isosceles
1. Always true
2. Sometimes true
3. Never True
A scalene triangle is also a right-angled triangle
1. Always true
2. Sometimes true
3. Never True
In a triangle there is 1 angle which is bigger than the sum of the other 2 angles
1. Always true
2. Sometimes true
3. Never True
An equilateral triangle is also an isosceles triangle
1. Always true
2. Sometimes true
3. Never True