Yes if it is an isosceles triangle.
Not normally because an apex angle is found on an isosceles triangle.
An isosceles triangle has 2 equal base angles and its height is perpendicular from its apex to the centre of its base
Because it's perpencicular to its apex
None but its apex is perpendicular to its base
Yes if it is an isosceles triangle.
The altitude line is perpendicular to the base and bisects the apex of the isosceles triangle.
Not normally because an apex angle is found on an isosceles triangle.
Not normally because an apex angle is found on an isosceles triangle.
An isosceles triangle has 2 equal base angles and its height is perpendicular from its apex to the centre of its base
Because it's perpencicular to its apex
None but its apex is perpendicular to its base
No because an isosceles triangle has 2 equal base angles and an apex angle whereas a scalene triangle has 3 interior acute angles of different sizes
No. An isosceles trapezium (isosceles triangle with its apex removed) would have congruent diagonals but it is not a parallelogram.
An acute triangle can be an isosceles triangle, but it doesn't have to be. An isosceles triangle can be an acute triangle, but it doesn't have to be.
isosceles triangle
A right triangle and an isosceles triangle have the fact that they are both triangles in common. A right triangle can also be an isosceles triangle.