Mathematics, 15.03.2022 14:00 sksksksksk1

The perimeter of the regular pentagon is 55 cm. The perimeter of the isosceles triangle is 20 cm.
a-3b
4a-b
b + 2a
Form two equations from this information.

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The perimeter of the regular pentagon is 55 cm. The perimeter of the isosceles triangle is 20 cm.<...