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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Hatua ya 1: Tambua maumbo na vipimo vilivyotolewa. Mchoro unaonyesha mstatili wenye urefu . Ndani ya mstatili huu, kuna maumbo mawili yanayofanana kama matao. Tunachukulia kuwa haya ni nusu-duara. Urefu wa kila nusu-duara ni sawa na urefu wa mstatili, hivyo basi rediasi ya kila nusu-duara ni . Sehemu zilizotiwa kivuli ni zile sehemu za mstatili ambazo hazijafunikwa na nusu-duara mbili na eneo la mstatili lisilotiwa kivuli katikati yao.
Hatua ya 2: Kokotoa eneo la nusu-duara mbili. Eneo la nusu-duara moja ni . Eneo la nusu-duara mbili ni . Badilisha :
Hatua ya 3: Bainisha eneo lote la mstatili. Acha upana wa mstatili uwe . Upana wa kila nusu-duara ni kipenyo chake, . Acha upana wa eneo la mstatili lisilotiwa kivuli katikati ya nusu-duara mbili uwe . Upana wote wa mstatili utakuwa . Urefu wa mstatili ni . Eneo lote la mstatili ni .
Hatua ya 4: Kokotoa eneo la sehemu ya mstatili isiyotiwa kivuli katikati. Upana wa eneo hili ni na urefu wake ni .
Hatua ya 5: Kokotoa eneo la sehemu iliyotiwa kivuli. Eneo lililotiwa kivuli ni eneo lote la mstatili ukitoa eneo la nusu-duara mbili na eneo la mstatili lisilotiwa kivuli katikati. Eneo lililotiwa kivuli linaweza pia kuandikwa kama: Tuma swali linalofuata 📸
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Hatua ya 1: Tambua maumbo na vipimo vilivyotolewa. Mchoro unaonyesha mstatili wenye urefu H = 10 \, dm.
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.