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PilotLPTM [1.2K]
3 years ago
11

Find what the question asks. 200 points. Will mark brainleist

Mathematics
2 answers:
kotegsom [21]3 years ago
6 0
Note:
The area of a circle with radius r is πr².
An entire circle has a central angle of 360°.

For the sector with radius = (3+4) = 7cm and a central angle of 120°, the area is
A_{1}= \frac{120}{360}*(49 \pi ) = \frac{49}{3} \pi \, cm^{2}

For the sector with radius =  3 cm and a central angle of 120°. the area is
A_{2}= \frac{120}{360} *(9 \pi ) = 3 \pi  \, cm^{2}

The area of the shaded sector (see the figure) is
A=A_{1}-A_{2} = ( \frac{49}{3} -3) \pi  =  \frac{40}{3} \pi  \, cm^{2}

Answer: \frac{40}{3}  \pi  \, cm^{2}


WARRIOR [948]3 years ago
6 0

Answer:

hey i have the same question.. do u have the answer yet

Step-by-step explanation:

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