Math Problem Statement
Injured runners train on a special track at a rehab center the track is a square with a half circle ont he left and right side a lap is the distance around the track the eara of the square is 138 square feet about how long is one lap use the table to help you answer the questions. square-11.0^2=121.0,11.1^2=123.2,11.2^2=125.4,11.3^2=127.7,11.4^2=130.0,11.5^2=132.3 Square-11.6^2=134.6,11.7^2=136.9,11.8^2=139.2,11.9^2=141.6,12.0^2=144.0 answer these questions too The length of one lap around the track includes the length of
sides of the square and the distance around
circle(s).
The length of a square’s side is the square root of its area. According to the table, the side length of the square is about
feet.
The total length of the square’s sides included in the length of one lap is about
feet.
The circumference of (distance around) a circle is π times the diameter. A side of the square is the diameter of each half circle. The circumference of the circle is about feet.
The total length of the two half circles included in one lap is about feet.
A reasonable estimate for the length of one lap around the track, including the straight and circular portions, is
feet.
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Area and Perimeter
Circumference
Square Roots
Approximation
Formulas
Side length of a square = √(Area)
Circumference of a circle = π × Diameter
Lap length = (2 × side length) + (Circumference of one full circle)
Theorems
Pythagorean theorem may apply indirectly for understanding square roots
Suitable Grade Level
Grades 6-8
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