Maths quiz can you answer these questions and get 100% on the maths problems in this quiz bobby848 published on January 21, 2012 Stacked 1/5 What is 12x12? 189 164 144 2/5 what is Pi to two decimal places? Type answer. Hint: 4 characters 3/5 what do all the interior angles in a triangle add up to? Type answer. Hint: 3 characters 4/5 what is 180/100 Type answer. Hint: 3 characters 5/5 what is the name of a nine sided 2d shape? Type answer. Hint: 7 characters