This question is in Brazilian portuguese. Considerando A= 2a - 2 e B = 3a - 3 determine:

A) A²+B²

B) A·B

C) (A+B)²

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step-by-step explanation:

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the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm