Back to C1 Home

1.2 - 2015 Q9

9) Explain why each of the following statements is false. State in each case which of the symbols ⇒, ⇐ or ⇔ would make the statement true.

i) ABCD is a square ⇔ the diagonals of quadrilateral ABCD intersect at 90° (2)
​
ii) x2 is an integer ⇒ x is an integer ​(2)