Ratio of perimeters

Rectangle ABCD has dimensions 11 cm and 7 cm, and KLMN rectangle has dimensions 10 cm and 10 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN.

Final Answer:

r =  0.9

Step-by-step explanation:

a=11 cm b=7 cm c=10 cm d=10 cm  r =  2(c+d)2(a+b)  r=c+da+b=10+1011+7=109=0.9



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