Answer:
Weight of copper: 62,000 lbs. (31 tons). Weight of framework: 250,000 lbs. (125 tons). Weight of concrete foundation: 54,000,000 lbs. Thickness of copper sheeting: 3/32 of an inch, the thickness of two pennies placed together. the answer in 125
Step-by-step explanation:
Answer:
A² = 9
Step-by-step explanation:
substitute A = - 3 into A² , that is
A² = (- 3)² = - 3 × - 3 = 9
Answer:
The circumference is 155.49 unit
Step-by-step explanation:
First we need to know the formulas of the area and the perimeter
π = 3.14
a = 1926.5 u²
a = π * r²
p = 2 π * r
First we have to clear the r
a = π * r²
r = √(a * π)
r = √(1926.5 / 3.14)
r = √613.535
r = 24.76
Now that we got r we can calculated the perimeter
p = 2 π * r
p = 2 * 3.14 * 24.76
p = 155.49