Quadrilateral eq3

Three sides of a quadrilateral are equal to the foreside which is 16 cm long. What is the length of the one with equal sides if the perimeter is 58 cm?

Correct answer:

b =  10 cm

Step-by-step explanation:

a=16 cm p=58 cm  p=3 a+b  b=p3 a=583 16=10 cm



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