1. Turn to Page S.89 Challenging Question
10 units

2. Can you find the 3 sides of the blue triangle?
Is the Red Triangle (ABC) a right triangle?
If so, which angle would have to be 90 degrees?
How can you find the two missing sides of the red triangle?
Can you find the 3 sides of the blue triangle?

3. Can you find the 3 sides of the green triangle?
Is the Red Triangle (ABC) a right triangle?
If so, which angle would have to be 90 degrees?
How can you find the two missing sides of the red triangle?
Can you find the 3 sides of the green triangle?

4. Turn to Page S.89 Challenging Question
10 units

5. Can you find the 3 sides of the smaller triangle?
Is the Red Triangle (ABC) a right triangle?
How can you find the two missing sides of the red triangle?
Can you find the 3 sides of the smaller triangle?

6. Can you find the 3 sides of the larger triangle?
Is the Red Triangle (ABC) a right triangle?
How can you find the two missing sides of the red triangle?
Can you find the 3 sides of the larger triangle?

7. Turn to Page S.90

9. Turn to Page S.91

11. Turn to Page S.92