Answer and Step-by-step explanation:
Plug in 4 for r, since 4 is half of 8, and 8 is the diameter, and the radius is half of the diameter.
We get the answer to be
, or 50.2655.
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Answer:
113-2t√17
Step-by-step explanation:
Answer:
its -1 and 3/4
Step-by-step explanation:
because u have to find a common denominator first and then a negative plus a positive is a negative so i hope this helps i just learned this like two weeks ago
Area= Length x width
So....
Length= Area divided by width.
Plug in equation
20 divided by 5= L
L= 4
Answer is 4 cm
Unfortunately I'm unable to understand