Please help he understand number13 13. LIFE SCIENCE The scale factor from the modelof a human inner ear to the actual ear is55:2. If one of the bones of the model is8.25 centimeters long, how long is the actualbone in a human ear?14. TELEVISION The ratio of the length ofDAa wide-screen TV to its width is 16:9. Findthe width of a wide-screen TV if the lengthmeasures 28 inches. Round to the nearest tenth.15. CHALLENGE Suppose two rectangles are similar witis the ratio of their areas? Explain.

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Answered: 13. LIFE SCIENCE The scale factor from…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter10: Measurement, Area, And Volume

Section10.4: Circumference And Area Of A Circle

Problem 33E

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13. LIFE SCIENCE The scale factor from the model of a human inner ear to the actual ear is 55:2. If one of the bones of the model is 8.25 centimeters long, how long is the actual bone in a human ear?