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Unformatted text preview: BC intersect and label this point D . 4) Measure angles BAD and CAD . 5) Measure the distances AB , BD, DC, and AC . 6) Calculate the two ratios of segments discussed in the statement of Theorem (NIB) 4.2, The "Angle Bisector Third Side Cut" Theorem . Calculate these ratios using the Calculator in the "Measure" Menu, selecting (by clicking on) the measurements reported by the Sketchpad program. [The names of the segments you use will be different from the names of the segments used in the theorem.] Make sure that the two ratios you calculate are equal. For Sketch #1, the ratio must be between 0.19 and 0.21, but try to make it 0.20 exactly. For Sketch #2, the ratio must be between 0.74 and 0.76, but try to make it 0.75 exactly. For Sketch #3, the ratio must be between 0.9 and 1.1, but try to make it 1.0 exactly. For Sketch #4, the ratio must be between 7.4 and 7.6, but try to make it 7.5 exactly....
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 Spring '10
 Shirley

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