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Inequalities

Problems

Applications of Inequalities to Angles

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Problem : If angle B measures - 20 degrees, for which of the following values of x is B acute? {270, 300, 330, 360}

{270, 300}

Problem : If angle G measures 3(15x - 45) degrees, for which of the following values of x is G obtuse? {3, 4, 5, 6}

{6}

Problem : If angle F measures x(x - 3) + 90 degrees, for which of the following values of x is F right? {0, 1, 2, 3}

{0, 3}

Problem : Which angles are acute? Right? Obtuse?


Angles

Acute: A, D
Right: B, E
Obtuse: C, F

Problem :


Graphs of Angle Measures
Which graph represents the following:
a) Acute Angles
b) Right Angles
c) Obtuse Angles

a) Graph B
b) Graph C
c) Graph A

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