jalexyinez
05.11.2020 •
Mathematics
A rectangle has a perimeter of (12x + 8y). If one side of the rectangle is (4x – 2y), write an expression of the other side.
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Ответ:
36 m
Step-by-step explanation:
Pythagorean Theorem:
a² + b² = c²
27 = b
45 = c
So let's solve
a² + 27² = 45²
a² + 729 = 2025
a² = 1296
√1296 = a
= 36
units = m
36 units
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