Answer:
12
Step-by-step explanation:
the shapes are similar which means the sides are proportional, you can set up a ratio using the sides as 10/40 = 3/x
solving that gives you x =12
4y - 4 = 60
4y = 64
Y = 16
Answer is B
I get 60 as it is a equilateral triangle.
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48 laps
multiply 6 by 8 then that's your answer
i believe 1.44444444444
