Geometry Genius Test your knowledge on the fascinating world of geometry with this quiz! Show off your geometry skills by answering 11 challenging questions. michelle published on January 051 response 0 « Previous Next » Questions in vertical order 1/11 What is the definition of a right angle? An angle greater than 90 degrees An angle less than 90 degrees An angle that measures exactly 90 degrees An angle that measures 180 degrees 2/11 What is the sum of the angles in a triangle? 90 degrees 180 degrees 360 degrees 120 degrees 3/11 What is the formula to calculate the area of a rectangle? length * width base * height side * side base * base 4/11 What is the name of a polygon with five sides? Hexagon Octagon Pentagon Triangle 5/11 What is the formula to calculate the circumference of a circle? radius * 3.14 radius + 3.14 2 * radius * 3.14 2 * radius 6/11 What is the longest side of a right-angled triangle called? Hypotenuse Base Height Radius 7/11 What is the measure of each interior angle in a regular hexagon? 90 degrees 120 degrees 180 degrees 60 degrees 8/11 What is the formula to calculate the volume of a sphere? 4 * pi * radius 2 * pi * radius (4/3) * pi * radius^3 pi * radius^2 9/11 What is the relationship between opposite angles in a parallelogram? They are congruent They are equal They are supplementary They are complementary 10/11 What is the formula to calculate the surface area of a cube? 6 * side^2 4 * side^2 2 * side^2 side * side 11/11 What is the theorem that relates the lengths of the sides of a right triangle called? Pythagorean theorem Euclid's theorem Pythagoras' theorem Fermat's theorem
