Card Set Information
what are acute angles?
an acut angle is less than 90 degrees but more than 0 degrees
what are acute triangles?
acute triangle is a triangle whose sides angles are all acute.
what is an arc?
an arc is a part of a circle.
what is a central angle?
a central angle is an angle whose vertex is the center of a circle, and whose sides pass through a pair of points on the circle
what is a circle?
A circle is a closed plane curve every point of which is equidistant from a fixed point within the curve
what is a chord?
a chord is a line segment on the interior of a circle with both its endpoints lying on the circle.
what is complementary angles?
complementary angles is a pair of angles whose sum= 90