Hypotenuse and legs

A right triangle with hypotenuse c=25 dm is given. Calculate the length of the unknown side, given: side a=15 dm. Find the area of this triangle. Sketch the triangle and describe all its vertices and sides correctly.

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

arithmetic

square root

planimetry

Pythagorean theorem
right triangle
area of a shape

Grade of the word problem

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