# Triangle Angle Theorems Grade 9

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question
Which statement about the value of x is true? x > 38 x < 39 x < 77 x > 103
x > 38
question
Which is a true statement about the diagram? m?5 + m?6 = m?1 m?3 + m?4 + m?5 = 180Â° m?1 + m?2 = 180Â° m?2 + m?3 = m?5
m?1 + m?2 = 180Â°
question
If m?X = 34Â° and m?Z = 26Â°, what is m?Y? m?Y = 26Â° m?Y = 34Â° m?Y = 60Â° m?Y = 120Â°
m?Y = 120Â°
question
What is the value of h? h = 20 h = 35 h = 55 h = 70
h=55
question
What is the value of k? k = 28 k = 29 k = 31 k = 42
k=29
question
Which statement regarding the interior and exterior angles of a triangle is always true? An exterior angle is supplementary to the adjacent interior angle. An adjacent interior angle is supplementary to a remote interior angle. A remote interior angle is congruent to the exterior angle. An exterior angle is supplementary to a remote interior angle.
An exterior angle is supplementary to the adjacent interior angle.
question
Which angle has a measure equal to the sum of m?SQR and m?QRS? ?RSC ?SRE ?DQS ?QSR