Question

1.
ang
quadrilateral
The angles of quadrilateral are in the ratio 3: 5:9: 13. Find all the ang
2. If the diagonals of a parallelogram are equal, then show that it is a rectangle
. Show that if the diagonals of a quadrilateral bisect each other at right angles
Show that the diagonals of a square are equal and bisect each other at right
5. Show that if the diagonals of a quadrilateral are equal and bisect each othe
is a rhombus.
angles, then it is a square.​

Answer 1

Answer:

3:5:9:13

⇒3x+5x+9x+13x

=360

50x=360

x=12

angle = 36

∘

60

∘

108

∘

156

∘