Berdasarkan gambar di bawah ini, besar sudut A adalah.... Question from @emiachristina14

June 2023 1 7 Report

Berdasarkan gambar di bawah ini, besar sudut A adalah

Jawaban:

65°

Penjelasan dengan langkah-langkah:

sudut A = sudut B (Dalam berseberangan)

5x - 10 = 3x + 20

5x - 3x = 20 + 10

2x = 30

x = 30/2

x = 15°

Sudut A

= 5x - 10°

= 5(15°) - 10°

= 75° - 10°

= 65°

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