Answer:
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Step-by-step explanation:
Answer:
D, 10.
Step-by-step explanation:
10+8=18 4/3x18=24
Answer:

Step-by-step explanation:
Hello There!
The angle labeled 6x is a right angle
If an angle is formed using the diameter of a circle then the opposite angle of that side is a right angle
So 6x = 90
isolate the variable
divide each side by 6
90/6= 15
6x/6=x
we're left with x = 15
The answer is D
16.55 divide by 2= 8.275
8.275+8.275+16.55+16.55=49.65