Circumference 6598

Adam had three identical rectangles. He put them together and got a rectangle with a circumference of 50 cm. Then he placed them differently and got a rectangle with a larger circumference. Calculate its perimeter.

Correct answer:

o2 =  70 cm

Step-by-step explanation:

o1=50 cm  a=2b o1=3a+4b a=2b 50=3a+4b  a=2 b 50=3 a+4 b  a2b=0 3a+4b=50  a=10 b=5  o2=2 b+6 a=2 5+6 10=70 cm

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