hey friend! here is your answer-
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(a) Two diameters of a circle will necessarily intersect.
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ans- yes, true as the diameters of the circle is longest chord and is always in the centre in horizontal or vertical of the circle..
so thus we can say that it is true.
note- diameter is the longest chord (rule)..
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(b) The center of a circle is always in its interior.
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ans- true, yes as centre is always in the interior so according to rule the centre of the circle is always in its interior..
so thus we can say that it is true.
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hope it helps you...
#brainly benefactor- Pulkit