The answer should be 26.5just add all the number up which gives you 265 then divide it by 10 and get 26.5 then divide by 100 and get 2.65
Answer:
y = 48°
Step-by-step explanation:
angle A = 90°
interior angles of a triangle = 180°
therefore
y = 180 - 42 - 90
y = 48°
V = pi*r^2*h
V = 490
h = 10
490 = pi*r^2*10
r = 3.95
83 since it below the number we are talking about