A model airplane has a wingspan of 15 cm and a body length of 8 cm . The scale is 1 to 500 . What is the wingspan of the actual airplane?
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To find the wingspan of the actual airplane, you need to multiply the model's wingspan by the scale factor. The model's wingspan is 15 cm, and the scale is 1:500, which means for every 1 cm on the model, the actual airplane is 500 cm. So, the calculation is: 15 cm (model wingspan) × 500 = 7500 cm. To convert centimeters into meters (since 1 meter = 100 cm), divide by 100: 7500 cm ÷ 100 = 75 meters. The actual airplane's wingspan is therefore 75 meters! Now, if we consider the real-world applications of model airplanes, they're not just toy replicas! They're often used by engineers and designers for aerodynamics testing and in educational settings to teach principles of flight and engineering. When building model airplanes, one common mistake is neglecting to scale all parts proportionately. Be sure that if you resize your model, every dimension (length, wingspan, etc.) is adjusted according to the same scale to maintain the correct proportions!