Geometry Jeopardy

Polygons and Angles

100

Sum of interior angles in a quadrilateral

360

200

Sum of interior angles in a pentagon

540

300

Sum of interior angles in 7-sided polygon

900

400

One interior angle in a decagon

144

500

One interior angle in a 26-sided polygon. 

166.15

Finish that Pattern

100

2, 4, 6, ____, _____

8, 10

200

2, 4, 8, _____, ______

16, 32

300

5, 6, 8, 11, _____, ______

15, 20

400

100, 90, 81, 73, ____, _____

66, 60

500

1, -3, 9, -27, ______, _______

81, -243

Name that Polygon

100

Polygons with four equal sides and vertices

Square

200

Polygons with three sides and three vertices

triangle

300

Polygons with five sides and five vertices

pentagon

400

Polygons with six sides and six vertices

hexagon

500

Polygons with eight sides and eight vertices

octogon

Types of Triangles

100

Triangles that have all sides equal

equilateral

200

Triangles that have NO equal sides

scalene triangle

300

Triangles that have two equal sides

isosceles 

400

Triangles that have one angle greater than 90 degrees

obtuse

500

Triangles that have three angles equal to 60 degrees. Classify it with TWO words.

equiangular equilateral 

Find the missing angle or side

100

What's the missing angle measure?

65 degrees

200

Find x

35 degrees

300

Find x

113

The triangle exterior angle theorem tells us this

400

Find x and y

x = 60

y = 50

500

Find the number of sides of a polygon if each interior angle is 162 degrees.

n = 20