Two legs of a right-angled triangle are 17 and 4. find its area.

We will use the well-known formula for the area of a right-angled triangle, namely

S = a * b / 2,

where S is the area of a right-angled triangle, a and b are the lengths of the legs of this right-angled triangle.

According to the condition of the problem, the lengths of the legs of this right-angled triangle are 17 and 4, therefore, the area S of this right-angled triangle is:

S = 17 * 4/2 = 17 * 2 = 34.

Answer: the area of this right-angled triangle is 34.



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