Answer:
An obtuse-angled triangle is a triangle in which one of the interior angles measures more than 90° degrees. In an obtuse triangle, if one angle measures more than 90°, then the sum of the remaining two angles is less than 90°.
Explanation:
an obtuse angle is a type of angle there are many types a obtuse angle measures from more 90 degrees to less than 180 degrees and interior obtuse angle is just an angle inside a shape that is more than 90 degrees but less than 180 degrees
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