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a half circle radius is 28m what is the perimeter of the circle​

By Charlie

a half circle radius is 28m what is the perimeter of the circle​

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Charlie

If A, B are disjoint sets then n(A⋂B) is

a) 1
b) ∅
c) 0
d) n(A) – n(B)​

The value of 5 + (- 1) does not lie between
(a) 0 and -10 (b) 0 and 10 (c) – 4 and -15 (d) – 6 and 6

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