12. Find the volume of the tank below A. 78 m2 B.96 m2 C. 54 m D. 63 m2
1 answer:
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Answer:
The number is 2.26
Step-by-step explanation:
Let The given numbers be x
Now according to question :
x : 18 = x² - 5
I.e x = 18 × ( x² - 5 )
or, x = 18 × x² - 90
or, 18 x² - x - 90 = 0
Or, From quadratic equation , the value of x
x =
Or, x =
Or, x =
So, x =
∴ x = = 2.26
Hence The number is 2.26 Answer
