Which expression represents the volume of the pyramid?

One-thirdxy cm3
One-thirdx2y cm3
One-halfxy2 cm3
One-halfx2y cm3

Option B

One-third y cm 3

Explanation:

We will be assuming we are dealing with a square based pyramid, which has the shape of its base as a square. The volume of a pyramid is got by multiplying its base area, height and a factor - 1/3.

For our square based pyramid, we will assume it has dimensions; length breadth and height to be (x , x, and y) respectively.

(the length and breadth are the same because it has a square base)

hence the volume will be  

This will be

Hence our correct answer is option B:  One-third y cm3

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

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