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08-12-2019
Mathematics

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Dante is painting the sign for his school’s Winter Bash . He drew a sketch of the painting on a piece of paper that was 10 inches by 12 inches.

A.) Determine the unknown dimension if the painting is drawn to scale.
60 inches x ? Inches

B.) What is the percent increase in the perimeter of the painting?

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08-12-2019

Answer:

A=60 inches by 72 inches

B=increased 600%

Step-by-step explanation:

Scale is 6 times bigger, so 12*6=72

A=60 inches by 72 inches

First painting perimeter: 10+10+12+12=44 inches

Second painting perimeter: 60+60+72+72=264 inches

264/44*100%=600%

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