seeyareelsoon seeyareelsoon

15-02-2018
Mathematics

contestada

The radius of a circle is 7x+3 cm. Write an expression to represent the area of the circle in simplified form.

Respuesta :

15-02-2018

Just plug in and simplify

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kirstenknowles2 kirstenknowles2

15-02-2018

π(7x+3)²
π(7x+3)(7x+3)
π(49x²+21x+21x+9)
π(49x²+42x+9)

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