Expression 19303

The area of the diamond is 112 cm square, and the length of its side is given by the expression x + 5 cm. Calculate this length if the height of the diamond is v = 7 cm.

Correct answer:

x =  11 cm

Step-by-step explanation:

S=112 cm2 a = x+5 v=7 cm  S = a v  a=S/v=112/7=16 cm  x=a5=165=11 cm

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