
by using the integration formula
we get,

now put the value of t=\sin\theta in the above equation
we get,

hence proved
Answer:
The area of the cross section is equal to the area of the base.
Step-by-step explanation:
Answer:
The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.
Step-by-step explanation:
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