Grade 8 · Geometry
This quiz helps revise “The Pythagorean theorem” in Geometry for grade 8. It has 25 questions in five categories: The theorem, Find the side, Right or not?, Shapes and diagonals, Real-world problems. 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.
In a right triangle, how many degrees are in the right angle?
What is the side opposite the right angle in a right triangle called?
The legs have lengths…
In the gameThe hypotenuse is 10…
In the gameFor triangle sides x…
In the game
A right triangle has legs 3 cm and 4 cm. Find the hypotenuse.
The hypotenuse is 13 cm and one leg is 5 cm. Find the other leg.
The legs are 8…
In the gameThe hypotenuse is 25…
In the gameThe legs are 7…
In the gameA triangle has side lengths 6, 8, and 10. Is it a right triangle?
A Pythagorean triple begins with 9 and 12. What third number is the hypotenuse?
The numbers 9, 10…
In the gameWhat number completes the…
In the gameWhat number completes the…
In the game
A square has side length 4 cm. Find its diagonal exactly.
A rectangle has side lengths 9 cm and 40 cm. Find its diagonal.
An isosceles triangle has…
In the gameA rhombus has diagonals…
In the gameA right trapezoid has…
In the game
A 10 m ladder leans against a wall; its foot is 6 m from the wall. How high does the ladder reach?
A rectangular field is 12 m by 35 m. What is the straight-line distance between opposite corners?
A wire runs from…
In the gameA ramp rises 2.4…
In the gameA rectangular screen 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.