1. 5/11
2. 11
3. 2
These are all just properties of logarithms.
Answer:
720 has a comment says
Step-by-step explanation:
:)

notice, if the original area was πr², then the new area has a factor in front of it, that much.
Answer:
√306
Step-by-step explanation:
→ Work out the height of the triangle
14 - 5 = 9
→ Use Pythagoras theorem
√15² + 9²
→ Simplify
√306