As shown in Fig. 2, this paper was folded so that the point B might overlap with the point D.
(1) What is the figure which will be made when ED and DF of Fig. 2 are cut with scissors and the remaining paper is opened?
(2) Find the area of the figure of (1).
Answer
(1) rhombus
(2) 45 cm2
(2) 45 cm2