3 years ago

HELP PLZ!! Will give brailiest!

Mathematics

2 answers:

podryga [215]3 years ago

8 0

Answer:

a- 1/4 x 2/1

b-2/1 divided by 5

Step-by-step explanation:

taurus [48]3 years ago

4 0

Answer:

I think B? hope this helps!

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3 years ago

I keep getting it wrong. Help?

balandron [24]

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Step-by-step explanation:

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4 years ago

A circle with a area 9 pie has a sector with a central angle of 60 degrees

goldfiish [28.3K]

Answer:

4.71 square units

Step-by-step explanation:

$central \: \angle \: ( \theta) = 60 \degree \\ \\ area \: of \: sector \\ = \frac{\theta}{360 \degree } \times area \: of \: circle \\ \\ = \frac{60 \degree }{360 \degree } \times 9\pi \\ \\ = \frac{1}{6} \times 9\pi \\ \\ = 1.5\pi \\ = 1.5 \times 3.14 \\ = 4.71 \: {units}^{2} \\ \\ \red{ \bold{ area \: of \: sector = 4.71\: {units}^{2} }} \\$