Grade 9 · Geometry
This quiz helps revise “Regular polygons” in Geometry for grade 9. It has 25 questions in five categories: Names & properties, Angles, Center & circles, Perimeter & area, Work backwards. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
What is a regular triangle called when all three of its sides are equal?
A STOP sign has 8 equal sides. What regular polygon models its outline?
A convex polygon has…
In the gameWhich quadrilateral has four…
In the gameInto how many congruent…
In the gameWhat is one exterior angle of a regular hexagon?
What is one interior angle of a regular pentagon?
What is one central…
In the gameA regular polygon has…
In the gameA regular polygon's interior…
In the gameWhat is the perpendicular segment from a regular polygon's center to one of its sides called?
What is the circle through every vertex of a regular polygon called?
At what point of…
In the gameA square has side…
In the gameA regular hexagon has…
In the gameA regular pentagon has side length 7 cm. What is its perimeter?
A square tile has side length 9 cm. What is its area?
A regular hexagon has…
In the gameA regular octagon has…
In the gameA regular polygon has…
In the gameA regular polygon has an exterior angle of 40°. What is the polygon called?
A regular heptagon has perimeter 84 cm. What is its side length?
A regular polygon has…
In the gameA regular polygon has…
In the gameA regular octagon has…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.