Grade 11Magical Mathematics[Interesting Approach]
18. Julie works at the amusement park with the maintenance crew. She needs to replace
a string of burnedout
lights along the arc shown between seat 1 and seat 6. The arc
makes up 1/4 of the Gaint Wheel.
The 20 seats of the wheel are equally spaced, and the supports from the center of
the wheel to each seat are 15 feet in length. How long, to the nearest foot, does the
string of replacement lights need to be?
Seat 6
15 feet
Seat 1
Gaint Wheel
(A) 24 feet (B) 30 feet (C) 47 feet (D) 90 feet
