Triangle DEF is congruent to right triangle ABC, shown below. If point Fhas the coordinates (3,4), what could be the
coordinates of point E?
(4-1)
o 3,-2)
0 (-24
0 (4-2)

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.