a horse trots in a circle at the end of a 4m rope. About how far does the horse trotted after completing ten circles?
2 answers:
-------------------------------------------------- Find 1 round -------------------------------------------------- 1 round of the circle = πD 1 round of the circle = π(2x4) 1 round of the circle =8π -------------------------------------------------- Find 10 rounds -------------------------------------------------- 10 round of the circle = 8π x 10 10 round of the circle = 80π 10 round of the circle = 251.33 m --------------------------------------------------Answer: 251.33 m --------------------------------------------------
251.33m. First find the distance around one circle then times by ten for all the circles. Circumference of each circle=2x(pi)xr =2(Pi)x10 =25.13 For ten circles=25.13x10 =251.33
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