3 years ago

Multiple choice geometry question helppp

Mathematics

1 answer:

Oksana_A [137]3 years ago

3 0

COS = Adjacent / Hypotenuse

CosZ = 24/30

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Express each of the following in standard form 0.0 0 0 0 0 0 0 0 0 2 2 1

Anastasy [175]

answer= 2.21 x 10^-10

3 0

3 years ago

How do I resolve this? <br> Como resuelvo esto?

Nikolay [14]

$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ -----\\ A=144\pi \end{cases}\implies 144\pi =\pi r^2\implies \cfrac{144\pi }{\pi }=r^2 \\\\\\ 144=r^2\implies \sqrt{144}=r\implies \boxed{12=r} \\\\\\ \textit{circumference of a circle}\\\\ C=2\pi r\qquad \qquad C=2\pi \boxed{12}\implies C=24\pi$