| Types of Angles | ||
| #1 | What are the four types of angles? | obtuse, acute, straight, right |
| #2 | Which angle is less than 90 degrees? | acute |
| #3 | 56 degrees is a ___________ angle. | acute |
| #4 | 91 degrees is a ___________ angle. | obtuse |
| #5 | 180 degrees is a __________ angle. | straight |
| Types of Triangles | ||
| #1 | equal sides | equilateral |
| #2 | all unequal angles | scalene |
| #3 | two sides are equal one side is not | isosceles |
| #4 | Can a right angle triangle have two 90 degree angles? | No! |
| #5 | triangle that adds up to 360 degrees. | Not a triangle! |
| Measuring Angles | ||
| #1 | All triangles add up to...... | 180 degrees |
| #2 | What tool do you use to calculate angles? | protractor |
| #3 | Create 45 degrees | |
| #4 | Create 105 degrees | |
| #5 | If one angle is 45 and the other is 90, what is the third angle's calculations? | 45 |
| Measuring Triangles | ||
| #1 | Construct a triangle, side measurement 4cm, 90 degrees | |
| #2 | Construct a triangle, side measurement 3cm, 84 degrees | |
| #3 | Construct a triangle, side measurement 6cm, 65 degrees | |
| #4 | Construct a triangle, side measurement 2cm, 42 degrees | |
| #5 | Construct a triangle, side measurement 1cm, 10 degrees | |
| Random | ||
| #1 | 90, 50, 40 | scalene |
| #2 | 90,45,45 | isosceles, right angle |
| #3 | 100,40,40 | isosceles |
| #4 | 60, 60, 60 | equilateral |
| #5 | 61, 60, 60 | not a triangle |
| Final Question | |
| Create a triangle with side measurement 5cm and 5cm, with 100 degrees angle. Can this be an equilateral? | No. |