CK12 - Geometry

(Marvins-Underground-K-12) #1

Junetravels12 unitsto get to school.Becausethe scaleshowsthat 1 unit is equalto 100 feet, you can
calculatethe distancein feet.


Juneridesher bike 1,200feet to school.


TaxicabCircles


Fromyour previousworkin geometryyou shouldalreadyknowthe definitionof a circle—acircleis the set
of pointsequidistantfrom a centerpoint.Taxicab“circles”look a little different.Imagineselectinga pointon
a grid and findingeverypointthat was 2 unitsawayfrom it usingtaxicabgeometry. The resultis as follows.


Use logicto workthroughproblemsinvolvingtaxicabcircles.If you workcarefullyand slowly, you should
be able to find the desiredanswer.


Example 2


A passengerin a taxi wantsto see how manydistinctpointsshe couldvisit if a cab travelsexactlythree
blocksfrom whereshe is standingwithoutturningaround.Countthe pointsand drawthe taxicabcirclewith
a radiusof 3 units.


Startwith a coordinategrid with a pointin the middle.Count3 unitsstraightin eachdirectionand markthe
pointsthat result.

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