The significance of the incentre is a point where the radius must be drawn from to have the biggest possible circle which touches all of the sides of the triangle...

Press L3 or R3 to jump while driving. Pedestrians riot: During the game, press Down, Left, Up, Left, X, R2, R1, L2, L1. Pedestrians attack you: During the game, press Down, Up, Up, Up, X, R2, R1, L2 L2...

Everyone bikini babes, all cars beach cars, Cj in shorts and flipflops. Circle, Circle, L1, Square, L1, Square, Square, Square, L1, Triangle, O, Triangle Faster Clock Triangle, Up, Right, Down, L2, L1, Square Faster Gameplay R2, Circle, Up, L1, Right, R1, Right, Up, Square, Triangle Flying Boats R2, X, L1, L1, L2, L2, L2, X Fog up, up, square, L2, right, x, R1, down, R2, circle Full Weapon Aiming Whilst Driving Left, Right, Right, Right, Left, X, Down, Up, Square, Right Gang members spawn much faster Circle, Right, Circle, Right, Left, Square, X Down Gives you an automatic six star wanted level DOWN, SQUARE, X, LEFT, R1, R2, LEFT, DOWN, DOWN, L1, L1, L1 Hitman In all weapon square,square,R2,left,up,square,R2,X,X,X Improve Suspension up, L1, R1, up, right, up, x, L2, x, L1 Increase car speed L1, R1, SQUARE, R1, LEFT, R2, R1, LEFT, SQUARE, DOWN, L1, L1 Inf Ammo Down, X, Right, Left, Right, R1, Right, Down, Up, Triangle Infinite health, still hurt from explosions, drowning, and falling...

It was later published in the New England Journal of Education. The proof depends on calculataing the area of a right trapezoid two different ways. The first way is by using the area formula of a trapezoid and the second is by adding up the areas of the three right triangles that can be constructed in the trapezoid...