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Hannah drew two intersecting circles. The length OA is 10.5cm, OB is 14cm, and angle AOB is 63.62 degrees and angle AO,B is 60 degrees. Calculate the Area of the shaded part.
Mathematics
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Step-by-step solution
8 stepsHuu hapa ni ukokotozi wa eneo lililotiwa kivuli:
Tambua taarifa ulizopewa.
- Radius ya duara ya kwanza (): 10.5 cm
- Pembe ya katikati ya duara ya kwanza ():
- Radius ya duara ya pili (): 14 cm
- Pembe ya katikati ya duara ya pili (): Eneo lililotiwa kivuli ni jumla ya sehemu mbili za duara (segments) zinazoundwa na kodi AB.
Kokotoa eneo la sekta .
Eneo la sekta hutolewa na fomula .
Kokotoa eneo la pembetatu .
Eneo la pembetatu ya isosceles hutolewa na fomula .
Kokotoa eneo la sehemu ya duara (segment) ya kwanza.
Eneo la sehemu ya duara ni tofauti kati ya eneo la sekta na eneo la pembetatu.
Kokotoa eneo la sekta .
Kokotoa eneo la pembetatu .
Kokotoa eneo la sehemu ya duara (segment) ya pili.
Kokotoa jumla ya eneo lililotiwa kivuli.
Eneo lililotiwa kivuli ni jumla ya maeneo ya sehemu mbili za duara.
Eneo lililotiwa kivuli ni .
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