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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Answer
10 cm
Haya hapa masuluhisho ya swali uliyotuma:
Swali la 15: Onyesha kuwa pembetatu ABC katika Mchoro 11.23 inafanana na pembetatu LMN katika Mchoro 11.22. Kisha tafuta thamani za na .
Sehemu ya 1: Kuonyesha kufanana kwa pembetatu
Step 1: Tafuta pembe zinazokosekana katika kila pembetatu. Jumla ya pembe katika pembetatu ni .
Kwa pembetatu LMN (Mchoro 11.22): Pembe L = Pembe M = Pembe N =
Kwa pembetatu ABC (Mchoro 11.23): Pembe B = Pembe C = Pembe A =
Step 2: Linganisha pembe za pembetatu hizo mbili.
Kwa kuwa pembe zote zinazolingana ni sawa, pembetatu na zinafanana (kwa kigezo cha AAA - Angle-Angle-Angle). Hivyo, .
Sehemu ya 2: Kutafuta thamani za na
Kwa kuwa pembetatu hizo zinafanana, uwiano wa pande zao zinazolingana ni sawa. Pande zinazolingana ni: LM na AB, MN na BC, LN na AC.
Step 3: Andika uwiano kwa kutumia vipimo vilivyotolewa.
Step 4: Tafuta thamani ya . Tumia uwiano wa kwanza na wa pili: Kuzidisha msalaba:
Step 5: Tafuta thamani ya . Tumia uwiano wa kwanza na wa tatu: Kuzidisha msalaba:
Jibu: Thamani za na ni:
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Haya hapa masuluhisho ya swali uliyotuma: Swali la 15: Onyesha kuwa pembetatu ABC katika Mchoro 11.23 inafanana na pembetatu LMN katika Mchoro 11.22.
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.