QUESTION IMAGE
Question
un campo de entrenamiento se forma uniendo un rectángulo a dos semicírculos, tal y como se muestra. el rectángulo mide 81 m de largo y 52 m de ancho. ¿cuál es la longitud de la pista que rodea al campo? (utilizar el valor 3.14 para π, y no redondear la respuesta. asegúrese de incluir las unidades correctas en la respuesta.)
Step1: Calculate the circumference of the two semi - circles
The two semi - circles together form a full circle. The diameter of the circle is $d = 52$ m. The formula for the circumference of a circle is $C=\pi d$. Using $\pi = 3.14$, we have $C = 3.14\times52=163.28$ m.
Step2: Calculate the length of the two straight parts
The length of each straight part is equal to the length of the rectangle, which is $l = 81$ m. The total length of the two straight parts is $2\times81 = 162$ m.
Step3: Calculate the total length of the track
The total length of the track is the sum of the circumference of the circle and the length of the two straight parts. So, $L=163.28 + 162=325.28$ m.
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$325.28$ m