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.

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aud9 aud9
  • 15-02-2018
Just plug in and simplify
Ver imagen aud9
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kirstenknowles2
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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