Answer:
Step-by-step explanation:
Since, the geometric mean of x+3 and 4x+1 is 2x+1.
Therefore, by geometric mean theorem:
Answer: Surface area is 169π
28 - 7 = -3k
21 = -3k
21/-3 = k
k = -7
x/5 = 3 + 17
x/5 = 20
x = 5*20
x = 100
82 - 12 = 7G/10
70 = 7G/10
70*10 = 7G
700 = 7G
700/7 = G
G = 100