No not always
An obtuse triangle is not necessarily isosceles, but it can be.
An isosceles obtuse triangle is a triangle with 1 obtuse angle and only 2 congruent sides.
It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.
-- An isosceles triangle can also be an obtuse triangle but it doesn't have to be. -- An obtuse triangle can also be an isosceles triangle but it doesn't have to be. So there's no consistent diferences betwen them.
It can be an isosceles triangle or a scalene triangle if it has 1 obtuse angle
no. obtuse simply means one of its angles in greater than 90 degrees, whereas isosceles is determined but the side lengths. they are not directly linked.
It doesn't matter if a triangle is isosceles, scalene, obtuse, acute... There are always 3 angles in a triangle (which add up to 180).
No. An obtuse triangle can be isosceles. It just can't be a right or equilateral triangle.
no- it can be an isosceles triangle
it i a triangle that only has one obtuse angle
there is equilateral triangle, right triangle, isosceles triangle, obtuse triangle, acute triangle, scalene triangle and oblique triangle