9. The radius of a soccer ball is 18 cm. What is the length of an arc of the ball for a central angle of 45°.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x′y′z′, with vertices x′(4, -2), y′(4, -3), and z′(1, -4). the type of transformation that triangle xyz undergoes is a . triangle x′y′z′ then undergoes a transformation to form triangle x′y′z′, with vertices x″(4, 2), y″(4, 3), and z″(1, 4). the type of transformation that triangle x′y′z′ undergoes is a .

The triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?