Mathematics

Question

1 and 2 are complementary. 1=x° 2=(3x 30)°

1 Answer

  • 3x + 2x = 90 {the two angles add up to 90°}
    5x = 90 {combined like terms}
    x = 18 {divided both sides by 5} 

    angle 1 = 3x
    = 3(18) {substituted 18, in for x, into 3x}
    = 54° angles add up to 90° 

    angle 1 = 3x
    angle 2 = 2x 


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