Question

what is the length of the pool if the breadth of 32 and perimeter is 90 cm



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Answer 1

Answer:

Length = 13

Step-by-step explanation:

to find the length of a rectangle we need to :

L= 1/2 × P-B

1/2 × 90 = 45

45 - 32 = 13

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Answer 2

Step-by-step explanation:

Number of protons = 11.

Number of electrons = 11.

Number of neutrons (mass number - atomic number) = 23 - 11 = 12.

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