QUESTION IMAGE
Question
if a regular polygon has 19 sides what is the smallest angle of rotation required to get rotational symmetry? if it is a decimal answer round to one decimal place
Step1: Formula for rotational symmetry angle
El ángulo de simetría rotacional más pequeño para un polígono regular con \( n \) lados es \( \frac{360^{\circ}}{n} \). Aquí, \( n = 19 \).
Step2: Cálculo del ángulo
Sustituimos \( n = 19 \) en la fórmula: \( \frac{360}{19}\approx 18.947^{\circ} \).
Step3: Redondeo
Redondeamos \( 18.947^{\circ} \) a un decimal: \( 18.9^{\circ} \).
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\( 18.9^{\circ} \)