Chapter 9: Q7. (page 331)
For each exercise draw a circle and inscribe the polygon in the circle.
b. A trapezoid.
Short Answer

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Chapter 9: Q7. (page 331)
For each exercise draw a circle and inscribe the polygon in the circle.
b. A trapezoid.

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, and are tangents.
Explain, Why

The number of odd vertices will tell you whether or not a network can be traced without backtracking. Do you see how? If not, read on.
Tell why it is impossible to walk across the seven bridges of Koenigsberg without crossing any bridge more than once.
What do you think is true of common external tangents and prove it.
Will your results in part be true if the circles are congruent

Name the 4 radii (none are drawn in the diagram).

Find In Exercise is tangent to

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