QUESTION IMAGE
Question
se forma un jardín de rosas uniendo un rectángulo con un semicírculo, tal y como se muestra. el rectángulo mide 34 ft de largo y 23 ft de ancho. si el jardín está vallado, ¿cuántos pies de valla se requieren? (utilizar el valor 3.14 para π, y no redondear la respuesta. asegúrese de incluir las unidades correctas en la respuesta.)
Step1: Calculate perimeter of rectangle
The rectangle has two lengths of 34 ft and one width of 23 ft. The sum of these sides is \(34 + 34+23=91\) ft.
Step2: Calculate length of semi - circle
The diameter of the semi - circle is equal to the width of the rectangle, \(d = 23\) ft. The formula for the circumference of a full circle is \(C=\pi d\), so for a semi - circle \(C_{semicircle}=\frac{1}{2}\pi d\). Substituting \(d = 23\) ft and \(\pi=3.14\), we get \(C_{semicircle}=\frac{1}{2}\times3.14\times23 = 36.11\) ft.
Step3: Calculate total length of fencing
Add the perimeter of the non - circular part and the length of the semi - circle. \(91+36.11 = 127.11\) ft.
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127.11 ft