conceitedkayy1865
19.05.2021 •
Mathematics
Bonus. A regular polygon has an apothem of 4 m and an area 60 m2. What is the perimeter and the length of side of the pentagon?
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Ответ:
Let x be one number and y be the other.
x + y = 54 (1)
x - y = 10 (2)
.
Add (1) and (2):
2x = 64
Divide both sides by 2:
x = 32
-
Plug x = 32 into (1):
32 + y = 54
Take away 32 from both sides:
y = 22
-
The two numbers are 32 and 22.