Which among the following are the coordinates of the fourth vertex of the parallelogram?

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A(13, 14)

B(11, 7)

C(11, 8)

D(12, 8)

Answer:

(11, 8)

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$y^2=2c(x+ \sqrt c)$ എന്ന വക്രത്തിന്ടെ അവകലജ സമവാക്യത്തിൻടെ ക്രമം , കൃതി ഏത് ?

Which among the following statements is/are not true?

I) The sum of opposite angles of a parallelogram is 180

II) The sum of adjacent angles of a parallelogram is 180

III) The opposite sides of a parallelogram are equal

IV) The sum of the inner angles of a parallelogram is 360

$\overset{\rightarrow}{r(t)}=tan^{-1}ti+sintj+t^2k$ ആയാൽ $\overset{\rightarrow}{r'(t)}_{t=0}=$