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Find the value of: a) n b) P c) m

Mathematics

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Answers

3 parts
a

50∘\text{50}^\circ

b

50∘\text{50}^\circ

c

50∘\text{50}^\circ

Step-by-step solution

5 steps

Huu hapa ni ufumbuzi wa swali lako:

Part a· 1 step

Tafuta thamani ya nn

  1. Tambua pembe nn.

    Kutoka kwenye mchoro, pembe nn imeonyeshwa wazi kuwa 50∘50^\circ.

    n=50∘n = 50^\circ

    Thamani ya nn ni 50∘\boxed{\text{50}^\circ}.

Part b

50∘\text{50}^\circ

Tafuta thamani ya PP

  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).

  2. Tumia sifa za pembe tatu pacha.

    Katika pembe tatu pacha, pembe za msingi zinazokabili pande sawa ni sawa. Pembe PP na pembe nn ni pembe za msingi.
    Hivyo, P=nP = n.
    Kutoka sehemu (a), tunajua n=50∘n = 50^\circ.

    P=50∘P = 50^\circ

    Thamani ya PP ni 50∘\boxed{\text{50}^\circ}.

Part c

50∘\text{50}^\circ

Tafuta thamani ya mm

  1. Tambua uhusiano kati ya mistari sambamba na pembe.

    Mistari miwili ya mlalo ni sambamba (imeonyeshwa na mishale kwenye mistari). Mstari wa kushoto unaovuka mistari hii sambamba ni transversal. Pembe mm na pembe PP ni pembe mbadala za ndani (alternate interior angles).

  2. Tafuta thamani ya mm.

    Wakati mistari miwili ni sambamba, pembe mbadala za ndani ni sawa.
    Hivyo, m=Pm = P.
    Kutoka sehemu (b), tunajua P=50∘P = 50^\circ.

    m=50∘m = 50^\circ

    Thamani ya mm ni 50∘\boxed{\text{50}^\circ}.

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