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Earn +20 ptsQ: Does every triangle have at least one obtuse angle?
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Do triangles have at least two obtuse angles?
No. A triangle can have only one obtuse angle. A triangle must have at least two acute angles
What is the generalization for a obtuse triangle quadrilateral and pentagon?
Not sure what the question means. A triangle or quadrilateral may but need not contain an obtuse angle. A pentagon or any polygon with more sides must contain at least one obtuse angle.
What do the triangles look like and what are the names?
Equilateral triangle = All sides congruent Scalene triangle = No sides congruent Isosceles triangle = At LEAST two sides congruent Right triangle = Triangle with one right angle Obtuse triangle = Triangle with ONE obtuse angle Acute triangle = Triangle with ALL acute angles
Can a triangle can have two obtuse angles?
Yes, as long as there is at least one right angle in the triangle. No way.
What triangle is never acute of obtuse?
No triangle is never acute in the sense that every triangle has at least two acute angles.
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