Answer:
its c
Step-by-step explanation:
because 6 divided by 2 is three
Answer:

Step-by-step explanation:
Given

Required
Find 
From the attachment:
The measure of
is calculated using the following expression:

Where
-- right-angled.
The expression becomes



Assuming it’s a regular polygon :225
Answer:
0.0001524
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Answer:
20
Step-by-step explanation:
The pythagorean theorem states that

So 
You would then do

Because a square root is the opposite of a square.

because 20 * 20 = 400