CK12 - Geometry

(Marvins-Underground-K-12) #1

  1. Frankdrewtwo equilateraltriangles.Eachside of one triangleis timesas long as a side of the other


triangle.The perimeterof the smallertriangleis cm. Whatis the perimeterof the largertriangle?


In the diagrambelow,..



  1. Whatis the scalefactorof the smalltriangleand the largetriangle?

  2. If the perimeterof the largetriangleis , whatis the perimeterof the smalltriangle?

  3. If the area of the smalltriangleis , writean expressionfor the area of the largetriangle.

  4. If the area of the smalltriangleis , writean expressionfor the area of the trapezoid.

  5. The area of one squareon a gameboardis exactlytwicethe area of anothersquare.Eachside of the


largersquareis mm long.How long is eachside of the smallersquare?



  1. The distancefrom Charlestonto Morgantownis miles.The distancefrom Fairmontto Elkinsis


miles.Charlestonand Morgantownare inchesaparton a map.How far apartare Fairmontand Elkinson
the samemap?


Marleeis makingmodelsof historiclocomotives(trainengines).She usesthe samescalefor all of her
models.


The locomotivewas feet long.The modelis incheslong.

The Classlocomotivewas feet long.


  1. Whatis the scaleof Marlee’s models?

  2. How long is the modelof the Classlocomotive?


Answers


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