Exersize 4 was 55 or if you don’t understand go to my profile and my question or exercise 4 is there.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?