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lulu5351
16.01.2020 •
Mathematics
Y< -*x+2
x2-2
what’s the answer
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Ответ:
A = b² + (2 * b * s)
Where,
b = Base length
s = Slant Height
Assume,
b = x
s = y
A = x² + (2 * x * y)
= x² + 2xy
If all dimensions are doubled
b = 2x
s = 2y
A = (2x)² + (2 * 2x * 2y)
A = 4x² + 8xy
A = 4 (x² + 2xy)
∴ The surface area increases by 4 times
The correct answer is the third choice