Answer:
Step-by-step explanation:
Given
The above triangle
First, we calculate the length LM using Pythagoras theorem.
Collect like terms
Take positive square root
Solving (a): Sin L
Simplify
Solving (b): tan N
Simplify
Solving (c): cos L
This calculated as:
Simplify
Solving (d): sin N
This is calculated using:
If
Then:
So:
Correct. They only want to know how many are 5 cm tall. So we only need to count the 'x' 's in the 5 area, which are 6. You are correct
Answer=6