Right angled

From the right triangle with legs 12 cm and 20 cm we built a square with the same content as the triangle.

How long will be side of the square?

Result

x =  10.95 cm

Solution:

S1=S2 x2=12202 x=12202=10.95 cm S_1 = S_2 \ \\ x^2 = \dfrac{ 12\cdot 20}{2} \ \\ x = \sqrt{ \dfrac{ 12\cdot 20}{2}} = 10.95 \ \text{cm}



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