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Answer:
2 km
Step-by-step explanation:
4π = π × r²
r² = 4
r = 2
Answer:
is the size of the square
Step-by-step explanation:
Let the side of the square cut from the cardboard be “x”
Size of the square base =
, height of the box = x
Volume of square box = Area * height =
Differentiating the above equation and equating it to zero, we get –
d/dx
d/dx
= d/dx
d/dx
On solving above equation, we get –
Answer:
180
Step-by-step explanation: