There is a paper of rectangle as shown in Fig. 1.
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).
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
