Brainliest to correct answer. Find the value for the side marked below.
Round your answer to the nearest tenth.
21
у
80°
y = [?]

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Describe the relationship between the angles of similar triangles and the sides of similar triangles

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank