Diamond

Find the side of the diamond if its area is S = 490 cm2 and one diagonal u2 = 39 cm.

Correct answer:

u1 =  25.1282 cm

Step-by-step explanation:

u2=39 cm S=490 cm2  S = 2u1 u2  u1=u22 S=392 490=39980 cm=25.1282 cm



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