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EXAMPLE 2

White House. There is a scale model of the White House in Tobu World Square in Japan. The scale used for the model is 1 : 25 . The height of the main building of the White House is 85 feet. Find this height on the model. EXAMPLE 2. Finding a Dimension on a Scale Model. h. scale model. =.

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EXAMPLE 2

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  1. White House There is a scale model of the White House in Tobu World Square in Japan. The scale used for the model is 1 : 25. The height of the main building of the White House is 85 feet. Find this height on the model. EXAMPLE 2 Finding a Dimension on a Scale Model

  2. h scale model = 85 building 1 85 = 25 h 1 ANSWER 25 The height of the main building of the model is 3.4 feet. EXAMPLE 2 Finding a Dimension on a Scale Model SOLUTION Write and solve a proportion to find the height, h, of the main building of the model of the White House. Cross products property 3.4 = h Divide each side by 25.

  3. Eiffel Tower 2. The model of the Eiffel Tower in Tobu World Square is 12 meters high. Use the scale factor of 1 : 25 in Example 2 to estimate the height of the actual Eiffel Tower. ANSWER about 300 m. GUIDED PRACTICE for Example 2

  4. 3. Carpenter Ants A museum of natural history is making a scale model of a carpenter ant. The scale used is 12.5 cm : 1 mm. If the actual length of the ant is 6.4 mm, what is the length of the model? ANSWER 80 cm. GUIDED PRACTICE for Example 2

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