Answer:
AB = 2.18 units
Step-by-step explanation:

Answer:
Step-by-step explanation:
Given

Required
Make t the subject

Cross Multiply


Collect Like Terms

Factorize:

Make t the subject

Answer:
Option D.
x can take values from 15downwards. It can't be 16 because the expression clearly states that x is less than 16. So x can take value from any number below 16.
We are seeing 30, 60, 90, triangles, and 45, 45, 90, triangles.
13. 3 root 3
14. 5 root 2
15. 7/2 root 2
16. 3/2 root 2
17. 7.5 root 3
19. bc is squared root 37
20. 32 + 32 root 3