Pertanyaan

Dari gambar 1.1 di atas, ditulis: a. sudut pusat =.... b. busur =....

Dari gambar 1.1 di atas, ditulis:

a. sudut pusat =....

b. busur =....

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Jawaban terverifikasi

Pembahasan

Mencari sudut pusat: Mencari busur:

Mencari sudut pusat:

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator angle AOB over denominator 360 degree end fraction end cell equals cell fraction numerator Panjang space Busur space kecil space AB over denominator Keliling space Lingkaran end fraction end cell row cell angle AOB end cell equals cell fraction numerator r over denominator 2 straight pi r end fraction times 360 degree end cell row cell angle AOB end cell equals cell fraction numerator 180 degree over denominator straight pi end fraction equals 1 space radian end cell row cell angle AOB end cell almost equal to cell fraction numerator 180 degree over denominator 3 comma 14 end fraction end cell row cell angle AOB end cell almost equal to cell 57 comma 325 degree end cell end table$

Mencari busur:

table attributes columnalign right center left columnspacing 0px end attributes row busur equals cell stack A B with overparenthesis on top end cell row blank equals r end table