Mathematics - cross number Crossword

This printable crossword puzzle on the topic of Geometry has 16 clues. Answers range from 4 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The side opposite the right angle
Numbers that can not be expressed as a fraction of two integers and are written using a root sign
The relationship between the lengths of the sides of right-angled triangles
What you need to multiply a number by to get a product of 1
A circle that is drawn inside a triangle and it touches each side.
A circle that passes perfectly through the three vertices of the triangle
The angle between one side of a shape and an adjacent side that is extended outward
A triangle with three equal sides
To cut in half
Two angles that add up to 90°
Two angles that add up to 180°
A line that intersects another line at an angle of 90°
An instrument used for drawing arcs with a specific radius
An instrument used for measuring the size of angles
Same shape but different size
The same size and shape