Geometry Genius (1) Test your knowledge of geometric shapes, angles, and formulas with this challenging quiz! rihanna80 published on August 17 Stacked 1/10 What is the sum of all angles in a triangle? 180 degrees 90 degrees 270 degrees 360 degrees 2/10 What is the formula for the area of a circle? πr^2 2πr r^2 2r 3/10 How many sides does a hexagon have? 6 5 7 8 4/10 What is the definition of a right angle? 90 degrees 45 degrees 180 degrees 360 degrees 5/10 Which shape has all sides of equal length and all angles equal to 90 degrees? Square Rectangle Triangle Pentagon 6/10 What is the formula for the volume of a cube? s^3 4s 2s^2 3s^2 7/10 How many degrees are in a full circle? 360 degrees 180 degrees 270 degrees 720 degrees 8/10 Which shape has no sides or angles? Circle Triangle Square Rectangle 9/10 What is the sum of all angles in a quadrilateral? 360 degrees 180 degrees 270 degrees 90 degrees 10/10 What is the formula for the area of a rectangle? length * width 2 * (length + width) (length + width) / 2 length + width