Study the pattern and predict the nth term a) 2,5,10, b)0,1,4,

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Can some one explain this i got sent this. is this a threat i’m scared

Use the given information to determine the exact trigonometric value.