Angles
Polygons
Triangles
Geometric Language
Miscellaneous
100
I am an angle that is less than 90 degrees.
What is an acute angle. Draw one of these on your board.
100
Define a polygon
What is a plane shape with at least 3 straight sides, enclosed, not curves.
100
What is important to remember about a right triangle?
It has a right angle of 90 degrees.
100
What is a concave polygon?
What is If any internal angle is greater than 180° then the polygon is concave
100
2 lines that intersect to form 90 degree angles
What are perpendicular lines
200
A right angle has how many degrees?
What is 90 degrees
200
Draw a 5 sided polygon and name it
What is a pentagon
200
What is the sum of all interior angles of ANY triangle?
What is 180 degrees
200
Draw and label the interior angles of an equilateral triangle.
What is all sides are the same, all angles are the same measure of 60 degrees.
200
2 lines that cross or touch
What are intersecting lines.
300
Draw and name the angle that is more than 180 degrees.
What is reflex angle.
300
What is the sum of all interior angles in a quadrilateral?
What is 360 degrees
300
My triangle is labeled A, B,C. Angle A is 45 degrees. Angle B is a right angle. What is the measurement of angle C?
What is 45 degrees.
300
Define the term radius
Radius: a line segment from the center of a circle to any point on the circle.
300
Angles that have a common side and common vertex are known as what angles?
What are adjacent
400
a line that extends continuously in only one direction; the other side is an endpoint
What is ray.
400
True or false: An obtuse, right triangle is a polygon.
What is true
400
What are the properties of an isosceles triangle?
Two equal sides, two equal angles.
400
Draw and define vertical angles.
Vertical Angles:the angles made by intersecting lines that do not share a common side.vertical angles have equal measures
400
Draw an adjacent angle
What is view picture
500
2 or more lines that never intersect are known as what?
What is parallel lines
500
Describe a convex polygon
What is no angles pointing inwards. More precisely, no internal angle can be more than 180°.
500
What are the properties of a scalene triangle?
a triangle with no equal sides and no equal angles.
500
A circle is made up of _______ degrees.
What is 360 degrees.
500
List how a shape can be congruent
What is it is the same shape, size, area, angles, and line lengths.
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