1. QUESTION 1 d

2. QUESTION 1

3. QUESTION 2
rectangle

4. QUESTION 2
rectangle

5. QUESTION 3

6. QUESTION 3

7. QUESTION 4

8. QUESTION 5
8.94 m
6.93 m
7.48 m
4.00 m
48.00 m
An equilateral triangle has a sidelength of 8 metres. What is the
height of the triangle?

9. QUESTION 6

10. QUESTION 6

11. QUESTION 7

12. QUESTION 7

13. QUESTION 8

14. QUESTION 8

15. QUESTION 9

16. QUESTION 10

17. ANSWERS
QUESTIONS 1, 2 and 3 are on Edrolo

18. 𝒄= 𝟖𝟗 ≈𝟗.𝟒𝟑 𝒄 𝟐 =𝒂 𝟐 + 𝒃 𝟐 a b c 𝒄 𝟐 = 𝟓 𝟐 + 𝟖 𝟐 𝒄 𝟐 =𝟖𝟗 Question 4
5 miles a b
𝒄 𝟐 =𝒂 𝟐 + 𝒃 𝟐
8 miles c
𝒄 𝟐 = 𝟓 𝟐 + 𝟖 𝟐
𝒄 𝟐 =𝟖𝟗
𝒄= 𝟖𝟗 ≈𝟗.𝟒𝟑

19. 𝟖 𝟐 = 𝟒 𝟐 + 𝒉 𝟐 𝟖 𝟐 − 𝟒 𝟐 = 𝒉 𝟐 𝒉= 𝟖 𝟐 − 𝟒 𝟐 𝒉≈𝟔.𝟗𝟑 h Question 5 8 m
𝒉= 𝟖 𝟐 − 𝟒 𝟐
𝒉≈𝟔.𝟗𝟑
4 m

20. ANSWERS for Q6, Q7, Q8 are on EDROLO

21. 3 4 = 𝑥 24 𝒙= 𝟑 𝟒 ×𝟐𝟒=𝟏𝟖 C QUESTION 9 24 cm B A 36 cm E x B D 27 cm
The small triangle is the image(copy) because it has the x we want.
𝟐𝟕 𝟑𝟔 = 𝒙 𝟐𝟒
NOTE: Scale factor is 𝒌= 𝟐𝟕 𝟑𝟔 =𝟎.𝟕𝟓
3 4 = 𝑥 24
𝒙= 𝟑 𝟒 ×𝟐𝟒=𝟏𝟖

22. so 𝒙=𝟐𝟎×𝟎.𝟔=𝟏𝟐 𝒙 𝟐𝟎 = 𝟐𝟒 𝟒𝟎 𝒙 𝟐𝟎 =𝟎.𝟔 A 20 cm x cm 𝜃 B D 24 cm A 20 cm