I. Fill in the blanks with the correct word from the box below. Write your answer on a separate sheet on paper.

isosceles equilateral right obtuse equiangular acute corners scalene triangle three angles quadrilateral

1. I am a triangle with three 60° angles.
2. I have two equal sides.
3. One of my angles measures 90°.
4. I have no equal sides.
5. I am a triangle with an angle greater than 90°.
6. All my angles are less than 90°.
7. All my tree sides are equal.
8. A triangle is a polygon with ______ sides and
9. Three _______
10.I am a three–sided polygon​