kak tolong ya urgent
Matematika
vanessavalencia
Pertanyaan
kak tolong ya urgent
1 Jawaban
-
1. Jawaban alysafz
(3x-10)°+(2x)°=90°
5x°-10°=90°
5x=90+10
5x=100
x=100÷5
x=20
ABD=3x-10
=3.20-10
=60-10
=50° (c)