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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Huu hapa ni ufumbuzi wa swali lako:
a) Tafuta thamani ya
Step 1: Tambua sifa za pembe tatu. Kutoka kwenye mchoro, tunaona kwamba pembe tatu ina alama mbili za vema kwenye pande zake, ikionyesha kuwa pande hizo ni sawa. Hii inamaanisha kuwa ni pembe tatu pacha (isosceles triangle). Pembe na pembe ziko kwenye kipeo kimoja chini kulia.
Step 2: Tafuta thamani ya . Kutoka kwenye mchoro, thamani ya imeonyeshwa wazi kuwa . Thamani ya ni .
b) Tafuta thamani ya
Step 1: Tumia sifa za pembe tatu pacha. Kwa kuwa pembe tatu ni pacha na pande mbili zake ni sawa, pembe za msingi zinazokabili pande hizo lazima ziwe sawa. Pembe na pembe ni pembe za msingi.
Step 2: Tafuta thamani ya . Kwa kuwa na ni pembe za msingi za pembe tatu pacha, basi . Kutoka sehemu (a), tunajua . Thamani ya ni .
c) Tafuta thamani ya
Step 1: Tambua uhusiano kati ya mistari sambamba na pembe. Mistari miwili ya mlalo ni sambamba. Mstari wa kushoto unaovuka mistari hii sambamba ni transversal. Pembe na pembe ni pembe zinazolingana (corresponding angles).
Step 2: Tafuta thamani ya . Wakati mistari miwili ni sambamba, pembe zinazolingana ni sawa. Hivyo, . Kutoka sehemu (b), tunajua . Thamani ya ni .
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Huu hapa ni ufumbuzi wa swali lako: a) Tafuta thamani ya n Step 1: Tambua sifa za pembe tatu.
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.