Answer:
You did not complete the question :(
Step-by-step explanation:
Answer:
a_n=a_1+(n-1)d
Step-by-step explanation:
sorry for late anwser
Answer:
A, B and D
Step-by-step explanation:
Answer:




Step-by-step explanation:
Given
See attachment
From the attachment, we have:


First, we need to calculate length LM,
Using Pythagoras theorem:



Collect Like Terms



Solving (a): 


Substitute values for MN and LN


Solving (b): 


Substitute values for LM and MN


Solving (c): 


Substitute values for LN and LM


Solving (d): 


Substitute values for LM and LN

