Properties of Triangle

1. PROPeRTieS Of TRianGl eS
Group Quiz
MERLIN PRIYA A
21-EDM-04

2. BRain BUzzeR!
How it works
1.Form a group with three members.
2. The teacher will show a question on the projector.
3. Each group has 1minute to write their answer on their whiteboard.
4.A group will gain a point for each correct answer.
5. Notes are not allowed to be browsed during the activity.

3. PART1
What Am I ?
Directions:
Identify what is being
described in each item.

4. Q U E S T I O N # 1
I am a 3-sided flat polygon.
What am I ?

5. Triang le
A N S W E R # 1
I am a 3-sided flat polygon.
What am I ?

6. Q U E S T I O N # 2
I am a type of triangle.
All of my angles are less
than 90 degrees. What
type of triangle am I ?

7. 56°
50° 74°
Acute Triangle
A N S W E R # 2
I am a type of triangle.
All of my angles are less
than 90 degrees. What
type of triangle am I ?

8. PART2
Directions:
I ndicate the value of the
unknown measurement.

9. Isosceles Triangle
Q U E S T I O N # 6
10 cm
13 cm
?

10. 13 cm 13 cm
10 cm
The missing value is equal
to the left side of the triangle
A N S W E R # 6
Isosceles Triangle

11. Equilateral Triangle
Q U E S T I O N # 7
16 cm
?

12. 16 cm
Equilateral triangle has
3 equal sides
16 cm
A N S W E R # 7
Equilateral Triangle

13. 45°
45°
?
Q U E S T I O N # 8
Right Triangle

14. 90 °
Right triangle has one angle that
measures 90 degrees
45°
45°
A N S W E R # 8
Right Triangle

15. Based on
angle measures
Based on length
of sides
Scalene
(no sides are equal)
Isosceles
(1 pair of equalsides)
Equilateral
(all sides are equal)
Right
(1 angle measures 90 °)
Acute
(all angles measure less than 90 °)
Obtuse
(1 angle measures more than 90 °)
goodjob!
Triangles Lesson Recap

16. Thank you