Isosceles triangle sides

Calculate the size of the base and side of an isosceles triangle if the side is 1 cm longer than the base and the height to the base is 2 cm shorter than the side.

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You need to know the following knowledge to solve this word math problem:

algebra

quadratic equation
equation
system of equations

arithmetic

square root

planimetry

Pythagorean theorem
right triangle

Grade of the word problem

high school

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