leahrose661
leahrose661
22-04-2018
Mathematics
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Supernova
Supernova
22-04-2018
All the side lengths have to add up to 86 inches.
Rectangles' opposite sides have equal lengths.
Make an equation:
25 + 25 + n + n = 86
Add up like terms.
50 + 2n = 86
Subtract 50.
2n = 36
Divide by 2.
n = 18
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