# quiz6 - Draw a line through A such that it hits BC at a...

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Math 131 March 1, 2007 Quiz 6 due March 8, 2007 Instructions: Do all of the problems fully. Make sure your name and the time of your class (i.e. 9:30 or 2:30) are on every sheet which you turn in. You must oFer explanations/justi±cations for your answers in order to receive credit. 1. Draw an isosceles triangle, and label the vertices A, B, C, so that the sides opposite n A and n B are equal. Use the SSS congruence to prove that n A = n B . (Hint: you will need to split this triangle into two triangles in order to use SSS.) 2. Draw an isosceles triangle (it doesn’t have to be exact). Label the vertices A, B, and C so that sides AB and AC are the same length.
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Unformatted text preview: Draw a line through A such that it hits BC at a right angle. Label the point where the line hits BC as D. Use congruneces and the previous problem to show that BD=DC. 3. The diameter of a hydrogen atom is approximately 10-10 meters. The diameter of a hydrogen atom’s nucleus is approximately 10-15 meters. A golf ball is approximately 40 millimeters (i.e. 4 × 10-2 ) meters. If you were make a similar atom so that a golf ball would represent the nucleus, would be the size of the diameter of this scaled up atom? Explain your answer....
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