Geometry

Shapes

100

two lines that are the same distance apart and will never touch

What is parallel lines

200

lines that intersect to form a right angle

What is perpendicular

300

A shape with multiple sides. 

What is a polygon.

400

A shape with 6 sides.

What is a hexagon.

500

A shape with 10 sides.

What is a decagon.

Angles

100

This is the term for a 90 degree angle

What is right angle

200

An angle that is less than 90 degrees

What is acute

300

an angle that is greater than 90 degrees

What is obtuse

400

This is the number of total degrees in a triangle.

What is 180 degrees

500

This is used to measure angles

What is a protractor

Will It Triangle?

100

Angle measures of 60^o, 60^o, and 60^o.

Yes

200

Side lengths of 8 cm, 5 cm, and 10 cm.

Yes.

300

Side lengths of 7 in., 7 in., and 15 in..

No.

400

When side lengths  a + b = c

Yes

500

Angle measures of 25^o, 50^o, and 75^o.

No

Vocab

100

The total length across the widest part of the circle.

What is diameter?

200

The distance from the center of the circle to the outside edge of the circle. (half the diameter)

What is radius?

300

When you "flip" a shape over an axis, as if in a mirror.

What is reflection?

400

When you can fold a shape in half and both sides line up perfectly.

What is symmetry?

500

When you move a shape in some way without changing the size or the shape.

What is transformation?

Review

100

x + 3 = 6

x = 3

200

5x + 7 = 37

x = 6

300

4(3 + y) = 28

y = 4

400

What does (3, -4) turn into if (x+3, y-1)

(6, -5)

500

What does (-5, -5) turn into if (x-4, y+4)

(-9, -1)