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4 cards from this section. Quick, good the night before a test.
What type of triangle has all angles less than 90 degrees?
Remember the definition of an acute angle.
What is the sum of the angles in a triangle?
Think about the total degrees in any triangle.
What type of triangle has one angle that measures 90 degrees?
Think of the different angle types.
The sum of all angles in a triangle is:
Recall the triangle angle sum property.
If triangle ABC is such that angle A = 50 degrees and angle B = 60 degrees, what is the measure of angle C?
Use the angle sum property to find the answer.
Prove that the Exterior Angle Theorem holds true for triangle DEF with angles D = 30 degrees, E = 60 degrees, and exterior angle F = 90 degrees.
Ensure the angles are correctly summed.
6 more questions in this section. Enroll free to practise them all.
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