Pertanyaan

Perhatikan gambar berikut. Besar ∠ CED = ...

Perhatikan gambar berikut.

Besar $∠ CED = ...$

D. Entry

Master Teacher

Jawaban terverifikasi

Jawaban

besar .

besar

Pembahasan

, maka Jadi besar .

$table attributes columnalign right center left columnspacing 0px end attributes row cell angle AEC plus angle CED plus angle DEB end cell equals cell 180 degree end cell row cell left parenthesis 4 x plus 4 right parenthesis degree plus left parenthesis 3 x plus 8 right parenthesis degree plus 5 x degree end cell equals cell 180 degree end cell row cell 4 x degree plus 3 x degree plus 5 x degree plus 4 plus 8 end cell equals cell 180 degree end cell row cell 12 x degree plus 12 end cell equals cell 180 degree end cell row cell 12 x degree end cell equals cell 180 degree minus 12 degree end cell row cell 12 x degree end cell equals cell 168 degree end cell row x equals cell fraction numerator 168 degree over denominator 12 degree end fraction end cell row x equals 14 end table$

x equals 14 , maka

Jadi besar angle CED equals 50 degree .