these are two different terms,
isosceles means a triangle with two sides the same length, and hence two angles the same length.
obtuse means there is at least one angle that is greater than 90 degrees.
since two of the angle have to be the same, you know that only one such angle can exist, so is with any triangle anyway.
just try to imagine a triangle with two sides the same length with one angle larger than 90 degrees. yup it's possible
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An obtuse triangle is not necessarily isosceles, but it can be.
-- 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. An obtuse triangle can be isosceles. It just can't be a right or equilateral triangle.
no- it can be an isosceles triangle