100 Things Red Wings Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Red Wings Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika panjang tali busur OR beserta caranya​

panjang tali busur OR beserta caranya​

Jawab: Busur OR = 13,44 cm

Penjelasan dengan langkah-langkah:

Panjang Garis P ke pusat Lingkaran X :

PX = √PO²+OX²

    = √24²+7²

    = √576 + 49

    = √625

    = 25

Luas Segitiga POX dan PRX = 1/2 a.t

L. POX = 1/2 x 7 x 24 = 84 cm²

L. PRX = 84 cm²

Luas Layang Layang = 84+84 = 168

Busur OR:

Luas Layang = 1/2 x diag1 x diag2

Luas Layang = 1/2 x PX x OR

168 = 1/2 x 25 x OR

OR = 168 x 2 /25

     = 13,44 cm

ig : emmetheyst

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