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Verified answer
A. 2x+3x= 90derajat5x=90derajat
x=90/5= 18derajat
b. sudut AOC= 2x
=2.18= 36derajat
c. sudut COB= 3x
= 3.18= 54derajat
Bab Sudut
AOC + COB = 90°
2x + 3x = 90°
5x = 90°
x = 18°
AOC = 2x = 2(18°) = 36°
COB = 3x = 3(18°) = 54°