3 years ago

The diameter of a circle is 18 m. Find its area in terms of \piπ.

Mathematics

2 answers:

HACTEHA [7]3 years ago

8 0

Answer:A≈254.47m²

Step-by-step explanation:

IRINA_888 [86]3 years ago

8 0

Step-by-step explanation:

A=pi(r^

$\pi {r}^{2} \\ \\ diameter \: is \: 18 \: meters \\ to \: find \: the \: radius \\ divide \: diameter \: by \: 2 \\ since \: the \: radius \: is \: \\ half \: the \: diameter18 \div 2 = 9 \: meters \\ \\ \pi {r}^{2} \\ \pi( {9}^{2} ) \\ \pi(81) \\ \\ area = 81\pi$

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