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Yes it must have at least one (really, it needs two or more). The sum of the interior angles in a pentagon is 540°.
If you had 4 angles @ 90°, then the fifth angle would need to be 180°, which is a straight line, then it would be a rectangle, not a pentagon, so you need at least two angles, greater than 90°.
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What is object has an obtuse angle?
some objects that has an obtuse angle is a pentagon, laptop and the objects that is greater than 90 degrees
Can a pentagon have 2 obtuse angles and 2 right angles and 1 acute angle?
Oh, dude, a pentagon with 2 obtuse angles, 2 right angles, and 1 acute angle? That's like a shape having an identity crisis. Technically speaking, a pentagon can't have those angles, but hey, if that's the kind of rebellious shape you want to hang out with, who am I to judge?
Why is a obtuse angle called a obtuse angle?
A obtuse angle is called an obtuse angle because if obtuse means bigger in degrees and a right angle is 90 degrees than a obtuse angle must be over 90 degrees.
What angle is 110 degree?
110 degrees creates an obtuse angle.
What is a 170 degree angle called?
An obtuse angle.
