-30 is the answer for your question
Translation, alternates between
Answer:Thanks!
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


Required
Calculate the diameter
The area of a sector is:

Substitute values for Area and 

Divide both sides by 

Make
the subject



Take positive square roots of both sides



The diameter is then calculated as:



Answer:
I think the value of -124 is just 124
Just remove the negative!!
Step-by-step explanation:
Hope this helped!!!