Are the sides of a triangle equal to 180 July 8, 2019 16 32 64 128 Are all sides of a triangle equal to 180 Do the sides of a triangle equal 180 Does the sides of a triangle equal 180 Sides of triangle How to find the sides of a triangle In a right triangle one angle measures x° where sin ° = x 4 5 . what is cos(90° − °) x