1. Mid Unit 5 Review
2-Dimensional Figures

2. Which triangles are examples of an obtuse triangle?

3. Which triangles are a scalene triangle?

4. Kay drew an equilateral triangle
Kay drew an equilateral triangle. What could be the measures of the three angles?
A. 90⁰, 45 ⁰, 35 ⁰
B. 45 ⁰, 45 ⁰, 45 ⁰
C. 60 ⁰, 60 ⁰, 60 ⁰
D. 90 ⁰, 30 ⁰, 55 ⁰

5. A triangle having 3 equal angles and 3 equal sides is ______________
A. Obtuse and scalene
B. Equiangular and scalene
C. Right and equilateral
D. Equiangular and equilateral

6. Which statement is true?
A. A triangle can have more than one right angle.
B. An equilateral triangle is also an equiangular triangle
C. It is possible for a scalene triangle to be equiangular.
D. It is possible for a right triangle to be equilateral.

7. Below is a picture of an isosceles triangle
Below is a picture of an isosceles triangle. What could the measure of the 3 sides be? A
A. AB=5 BC=6 AC=7
B. AB=8 BC= 10 AC=12
C. AB=3 BC=5 AC=7
D. AB= 6 BC=6 AC=6 B C

8. A triangle has one angle measuring 95⁰ and the other angles are acute
A triangle has one angle measuring 95⁰ and the other angles are acute. How would you classify this triangle?
A. Right Scalene
B. Acute Equilateral
C. Obtuse Scalene
D. Equiangular

9. Which type of triangle has one obtuse angle and two acute angles?
A. Equilateral
B. Obtuse
C. Acute
D. Right

10. Jack drew the triangle below and said it was an isosceles acute triangle. He made a mistake. What type of triangle did he draw?

11. Jake drew the triangle below and said it was an equilateral right triangle. Is he correct? Write yes or no. If no, what type of triangle did she draw? A B C

12. A. List three properties of this triangle?
B. Name this triangle?

13. Explain how a right triangle can be both scalene and isosceles, but not equilateral?

14. How do we know this is a right scalene triangle?
It has 2 sides the same length and 1 right angle.
It has 1 right angle and all sides are a different length.
It has 1 obtuse angle and 1 right angle]
It has 3 acute angles

15. Which triangle has perpendicular lines?B. C.

16. Which triangle has all acute angles?D. B.