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Geometry Terms

What is a triangle a figure with 3 sides and 3 angles
Scalene all sides are different measures
Isosceles 2 sides congruent
Equilateral all sides congruent
Acute all angles are smaller than 90 degrees
Obtuse angles are larger than 90 degrees
Right 1 right angle, 90 degrees
The sum of the measures of the three angles in any triangle is 180
Congruent angles that measure the same
Complementary two angles whose sum is 90 degrees
Supplementary two angles whose sum is 180 degrees
Circumference is the ___________ perimeter of a circle
Formula of a diameter 2r
Formula of a radius d/2
The _______ of a circle is the space inside the entire circle Interior
Parts of a circle center, diameter, radius, circumference, chord
Quadrilateral a closed figure with 4 sides and 4 angles
Rectangle parrallegram with 4 right angles
Created by: PrestonS