Look at the picture i have attached. 8 tally marks are four lines with one crossed over plus three more separate lines
-10 + -5 HEEEEEEEEEELP
2 answers:
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Answer:
Step-by-step explanation:
we know that
The length of a circle is equal to the circumference
where
r is the radius of the circle
In this problem we have
The length of semicircle is equal to
substitute