The area of a circle is 16π cm2. What is the circle’s circumference? A.2 π cm B.16 π cm C.4 π cm D.8 π cm

Question

The area of a circle is 16π cm2. What is the circle’s circumference?

A.2 π cm
B.16 π cm
C.4 π cm
D.8 π cm

in progress 0
Melody 3 weeks 2021-09-27T09:57:28+00:00 2 Answers 0

Answers ( )

    0
    2021-09-27T09:59:08+00:00

    \huge{\underline{\underline{\red{Answer}}}}

    area \:  \: of \:  \: a \:  \: circle \:  = \pi \:  {r}^{2}  \\  》 16\pi = \pi {r}^{2}  \\ 》 16 =  {r}^{2}  \\》 r =  \sqrt{16}  \\ 》r = 4cm

    0
    2021-09-27T09:59:18+00:00

    Answer:

    Area of circle =

    \pi \: r {}^{2}

    16\pi = \pi \: r {}^{2}

    16 = r {}^{2}

    r =  \sqrt{16}

    r = 4cm

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )