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11. Classify △ABC by its sides AND angles. Place only ONE option in EACH box.

acute
obtuse
equilateral
isosceles
scalene
right
Classification by angles:
Classification by sides:

11. Classify △ABC by its sides AND angles. Place only ONE option in EACH box. acute-example-1
User BENY
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1 Answer

5 votes

Explanation:

this is simply per definition.

it is an obtuse triangle, because one angle (B) is larger than 90°.

it is a scalene triangle, because all 3 sides have different lengths.

"acute" would mean that all 3 angles are smaller than 90°.

"right" or "right-angled" would mean that one angle is exactly 90°.

"equilateral" would mean that all 3 sides are equally long.

"isoceles" would mean that 2 sides are equally long.

User Ftrujillo
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