Boaz went on holiday by aeroplane. The flight time was 6 hours 24 minutes. The average speed of the aeroplane was 620 kilometres per hour.
Work out the distance the aeroplane flew to the nearest Km.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.