Which of the following is not true for an exterior angle of a regular polygon with n sides? Here x = Exterior Angle and y = interior angle
  • x = 360/n
  • x + y= 180
  • n x – 360=0
  • x=(n-2) x 180/n
which of the following statement is true
  • The quadrilateral may have four acute angles
  • The quadrilateral may have four obtuse angles
  • Opposite angles in a quadrilateral are always equal
  • Every rhombus whose diagonals are equal length is a square
Which of these is incorrect for Parallelogram?
  • The sum of adjacent angles of a parallelogram is 180
  • Opposite angles are equal
  • Diagonal of parallelogram are perpendicular bisector of each other
  • All rhombus are parallelogram
Which of the following can never be the measure of exterior angle of a regular polygon?
  • 22°
  • 36°
  • 45°
  • 30°
The diagonals of a rhombus are 12cm and 16 cm , the side of this rhombus is
  • 14 cm
  • 10 cm
  • 11 cm
  • 15 cm
if ABCD is a kite as shown below then
class8-math-c3-q7.png
  • x =60, y=130
  • x=70, y =120
  • x= 50 , y=120
  • x=100, y=90
The four angles of a quadrilateral are in the ratio 2:3:5:The respective measure of the four angles are
  • $40^0 ,60^0,100^0 , 160^0$
  • $30^0, 60^0,120^0, 140^0$
  • $48^0,96^0 ,144^0,192^0$
  • $36^0, 72^0, 108^0,144^0$
The value of x and y in the below parallelogram is
class8-math-c3-q9.png
  • x= 10, y=20
  • x=22, y=12
  • x=22, y=10
  • x=20, y=10
The ratio between exterior angle and interior angle of a regular polygon is 1:The  number of sides of the polygon are
  • 10
  • 11
  • 12
  • 14
0 h : 0 m : 1 s

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