Which of the given statements is correct? Justify your answer/s with examples.
A ) A square and a parallelogram are quadrilaterals.
B ) Opposite sides of a square and a parallelogram are parallel.
C ) A trapezoid has one pair of parallel sides.
D ) All the above
ANS: A and B
A: A quadrilaterals means that a shape has 4 sides, the sides must be straight and it must be 2D. A square and parallelogram both comply to this.
B: A square and parallelogram have 2 pairs of parallel lines.
‘All parallelograms are squares?’ Do you agree with this statement?
Justify your answer with example/s.
Ans: No, i do not agree. A square consist equal sides and every angle is a right angle. Although a parallelogram have equal sides, but only the opposite angles are equal, which means that not all angles are equal
ABCD is a parallelogram. If E is midpoint of AD and F is midpoint of BC show, with reasons, that BFDE must be a parallelogram.