Answer:
A = 48
Step-by-step explanation:
In this equation, we can factor out the expression
. If we do so, the expression becomes:

We can simplify to get:

and get:

Therefore, A = 48
Complete Question
The complete question is shown on the first uploaded image
Answer:
1

2

3

4

Step-by-step explanation:
Generally the area of a sector is mathematically represented as

Now at
and 


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in and 


Now at
and 


Now at
and 


I think this is what I found
Answer:
x=47
Step-by-step explanation:
Two adjacent angles whose non-shared sides are opposite rays ( 2 words ) vertical angles. the non-adjacent angle pairs formed by two intersecting lines( 2 words ) perpendicular.