Step-by-step explanation:
x+3=8
8-5=3 so x=5
7+5=12 / 12-7=5
12-5=7
<u>Given that</u> :
Diameter (d) = 18 cm
Pi (π) = 3.14
Radius (r) = d/2 = 18/2 = 9 cm
We know that volume of sphere is
Volume of Sphere = 4/3πr³
Volume = 4/3 × 3.14 × (9)³
Volume = 4/3 × 3.14 × 729
Volume = 4 × 3.14 × 243
Volume = 12.56 × 243
Volume = 3052.08
<u>Hence, the volume is 3052.08 cm³</u>
Answer:
Side is equal to
feet.
Step-by-step explanation:
A square is a four sided polygon in which all sides are equal, diagonals are equal and each angle is equal to
°
Area of a square = side × side
Area of a square 
Here, write 
Therefore,
Area of a square 

square feet
So,
side × side 
This implies side is equal to
feet.
Answer:
The total surface area is
57ft^2.
Cos28 = 11/x
x = 11/cos28
x = 11 / 0.88294759
x = 12.46
Answer
C. 12.5 (nearest tenth)