Angles, NOW!
Triangles.
lines
CIrcles
Quads
100
An angle that is greater than 90 degrees and less than 180 degrees
What is an obtuse angle?
100
2 triangles that have the same angle measures
What are similar triangles?
100
Angles that are in the same relative place along different parallel lines
What are corresponding angles?
100

a segment from the center of a circle to a point on the edge of the circle

what is a radius

100

a quadrilateral with two pairs of opposite parallel sides 

what is a parallelogram 

200
2 angles that have the same measure
What is congruent angles?
200
A triangle that has a 90 degree angle
What is a right triangle?
200
4 angles that are formed on the inside of 2 parallel lines cut by a transversal
What are interior angles?
200

two points on a circle and a continuous part of the circle between them

what is an ark of the circle

200

an equilateral parallelogram 

what is a rhombus 

300
2 angles that have a sum of 90 degrees
What are complementary angles?
300
A triangle that has all angles that are less than 90 degrees
What is an acute triangle?
300
4 angles that are formed on the outside of 2 parallel lines cut by a transversal
What are exterior angles?
300

a line segment whose endpoints lie on the circle

what is a chord

300

a quadrilateral with two distinct pairs of consecutive congruent sides

what is a kite

400
2 angles that have a sum of 180 degrees
What are supplementary angles?
400
A triangle that has 3 congruent sides?
What is an equilateral triangle?
400
Lines in the same plan that intersect at right angles
What are perpendicular lines?
400

two or more coplanar circles with the same center

what are concentric circles

400

a quadrilateral with exactly one pair of parallel sides 

what is a trapezoid 

500
2 congruent angles that are opposite angles formed by 2 intersecting lines
What are vertical angles?
500
A triangle that has 2 congruent sides
What is an isosceles triangle?
500
A line that intersects 2 or more lines
What is a transversal?
500

a line that intersects a circle only once

what is a tangent 

500

an equilateral rectangle

what is a square 

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