Show:
Angles
Angles in a Polygon
Triangles
Polygons
Bonus
100
An angle that is 90°
What is a right angle?
100
The sum of the angles is 180°
What is a triangle?
100
A triangle with 3 congruent sides.
What is an equilateral triangle?
100
A polygon with 6 sides
What is a hexagon?
100
Having the same shape and size.
What is congruent?
200
An angle that is greater than 0° but less than 90°
What is an acute angle?
200
The sum of the angles 360°
What is a quadrangle?
200
A triangle with 2 equal sides.
What is an isosceles triangle?
200
A polygon with 4 right angles
What is a square or a rectangle?
200
Angles that are next to each other, have a common vertex, and a common side, but no other overlap.
What are adjacent angles?
300
An angle that is greater than 90° but less than 180°
What is an obtuse angle?
300
The sum of the angles is 540°
What is a pentagon?
300
A triangle with no equal sides.
What is a scalene triangle?
300
A polygon with 2 pairs of parallel sides, opposite sides that are congruent, opposite angles that are congruent.
What is a parallelogram?
300
The place value directly to the right of the decimal point.
What is the tenths place?
400
An angle that is 180°
What is a straight angle?
400
The sum of the angles is 720°
What is a hexagon?
400
A triangle with angle measurements of 45° 45° 90°
What is a right triangle?
400
A polygon whose sides are all the same length and whose interior angles are all equal
What is a regular polygon?
400
An arrangement of shapes that covers a surface completely without overlaps or gaps.
What is a tessellation?
500
An angle that is greater than 180° but less than 360°
What is a reflex angle?
500
The sum of the angles is 8640°
What is a fiftygon?
500
The missing angle of a triangle with angle measurements of 60° and 60°
What is 60°?
500
A quadrilateral whose sides are all the same length and have 2 congruent angles. This polygon is also a parallelogram.
What is a rhombus?
500
A tessellation made by repeating congruent copies of one regular polygon.
What is a regular tessellation?