The perimeter of the rectangle is 10 decimeters 6 centimeters, the width of the rectangle is 2 decimeters. What is the length?
| December 23, 2020 | education
The solution of the problem :
(P) = 106 cm-perimeter
(b) = 20cm-width
(a) =? cm-length
P = a + b + a + b
a = (P-b-b): 2
a = (106-20-20): 2 = 33 cm
Answer: 33cm.
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