This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Swali lina sehemu kadhaa, lakini kutokana na ubora wa picha, ni swali la kwanza tu linaloonekana wazi na linaweza kutatuliwa kwa usahihi. Nitashughulikia swali hilo kwanza.
a) Kokotoa ukubwa wa pembe CAD.
Hatua ya 1: Tambua sifa za mchoro. Mchoro unaonyesha mduara na pembe nne ABCD iliyoandikwa ndani ya mduara (cyclic quadrilateral). Pembe zilizotolewa ni na .
Hatua ya 2: Tumia kanuni ya pembe zinazotegemea upinde mmoja. Katika mduara, pembe zinazotegemea upinde mmoja kwenye mduara ni sawa. Upinde AD unategemeza pembe na . Hivyo, . Kwa kuwa (kutoka kwenye mchoro), basi .
Hatua ya 3: Tafuta pembe . Tunajua . Pia tunajua kwamba inaweza kugawanywa katika na . Hivyo, . Badilisha thamani zinazojulikana: Toa kutoka pande zote mbili:
Hatua ya 4: Tafuta pembe . Upinde CD unategemeza pembe na . Hivyo, . Kwa kuwa , basi:
Ukubwa wa pembe CAD ni:
Maswali mengine kwenye picha hayako wazi vya kutosha kusomeka na kutatuliwa kwa usahihi.
Tuma swali linalofuata 📸
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Swali lina sehemu kadhaa, lakini kutokana na ubora wa picha, ni swali la kwanza tu linaloonekana wazi na linaweza kutatuliwa kwa usahihi.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.