Perhatikan gambar berikut.Diketahui besar sudut BCD=112°, maka besar sudut A=....... Question from @lovelyfeyylin

lovelyfeyylin @lovelyfeyylin

June 2023 1 3 Report

Perhatikan gambar berikut.
Diketahui besar sudut BCD=112°, maka besar sudut A=...

BrainlyConqueror

Penyelesaian:

Besar <ACB:

= 180° - 112°
= 68°

Besar <ACB = <ABC

Maka besar <A:

= 180° - (2 × 68)°
= 180° - 136°
= 44°

Jawaban: 44°

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