Flowerbed 2540

The flowerbed has a diamond shape with side a = 35 dm. The longer diagonal is 56 dm long. Calculate the area of the flowerbed.

Correct answer:

S =  1176 dm2

Step-by-step explanation:

u2=56 dm a=35 dm  (u1/2)2 = a2 (u2/2)2 u1=2 a2(u2/2)2=2 352(56/2)2=42 dm S=2u1 u2=242 56=1176 dm2



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