- See the table below
Numberof CoplanarLinesIntersectingat One PointNumberof RegionsPlaneis DividedInto
1 2
2 4
3 6
4 8
5 10
6 12
7 14- Everynumberin the right-handcolumnis two timesthe numberin the left-handcolumn,so the general
statementis: “If coplanarlines intersectat one point,the planeis dividedinto regions.”
a.
b. Cindy’s House:(0,12);Mari’s house:(5,0)
c. 13 miles
- One way to solvethis is to use a scalemodeland a ruler. Let 1 cm = 100 m. Thenyou can drawa picture
and measurethe distancethe camperhas to run for variouslocationsof the pointwhereshe gets water.
Be carefulusingthe scale!