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
True or False: All parallelograms are quadrilaterals.
  • True
  • False
  • Some are
  • None are
What is a rhombus?
  • A shape with four equal sides and opposite angles that are equal.
  • A polygon with three sides and three angles.
  • A quadrilateral with only one pair of parallel sides.
  • A circle with a constant radius.
What is a square?
  • A shape with four equal sides and four right angles, which is both a rectangle and a rhombus.
  • A shape with four sides of different lengths and no right angles.
  • A three-sided polygon with equal sides and angles.
  • A shape with four sides that are all different lengths and angles.
What is a kite in terms of quadrilaterals?
  • A kite is a quadrilateral with two pairs of adjacent sides that are congruent.
  • A kite is a quadrilateral with opposite sides that are equal in length.
  • A kite is a quadrilateral with all sides equal and all angles right.
  • A kite is a quadrilateral with one pair of parallel sides.
How do you calculate the area of a parallelogram?
  • Area = base × height
  • Area = 2 × (base + height)
  • Area = base + height
  • Area = base × height × 2
What is the difference between a rectangle and a rhombus?
  • A rectangle has four right angles, while a rhombus has all sides equal but not necessarily right angles.
  • A rectangle has all sides equal, while a rhombus has four right angles.
  • A rectangle can have unequal sides, while a rhombus must have right angles.
  • A rectangle is a type of rhombus with unequal angles.
True or False: A trapezoid is a parallelogram.
  • True
  • False
  • Sometimes
  • Only in special cases
What defines a parallelogram?
  • A parallelogram is a quadrilateral with opposite sides that are both parallel and congruent.
  • A parallelogram is a shape with four equal sides and four right angles.
  • A parallelogram is a triangle with two equal sides.
  • A parallelogram is a quadrilateral with one pair of parallel sides.
What is a concave quadrilateral?
  • A quadrilateral with all angles less than 90 degrees.
  • A quadrilateral that has at least one interior angle greater than 180 degrees.
  • A quadrilateral with all sides equal in length.
  • A quadrilateral that can be inscribed in a circle.
Name a quadrilateral with one pair of parallel sides.
  • Rectangle
  • Trapezoid
  • Square
  • Rhombus
What is the relationship between a kite and a rhombus?
  • All kites are rhombuses.
  • All rhombuses are kites, but not all kites are rhombuses.
  • Kites and rhombuses are the same shape.
  • No relationship exists between kites and rhombuses.
What is the sum of the interior angles of a quadrilateral?
  • 180 degrees
  • 270 degrees
  • 360 degrees
  • 450 degrees
What is a convex quadrilateral?
  • A convex quadrilateral has all interior angles less than 180 degrees.
  • A convex quadrilateral has at least one interior angle greater than 180 degrees.
  • A convex quadrilateral has all sides equal in length.
  • A convex quadrilateral can have one angle that is a right angle.
What is a quadrilateral?
  • A polygon with three sides, three vertices, and three angles.
  • A polygon with four sides, four vertices, and four angles.
  • A polygon with five sides, five vertices, and five angles.
  • A polygon with six sides, six vertices, and six angles.
How can you identify a trapezoid?
  • A trapezoid can be identified by having at least one pair of parallel sides.
  • A trapezoid has four equal sides.
  • A trapezoid has two pairs of parallel sides.
  • A trapezoid is a polygon with three sides.
Name that shape.
  • trapezoid
  • quadrilateral
  • parallelogram
  • rhombus
A trapezoid is a quadrilateral with exactly ONE set of parallel sides.
  • TRUE
  • FALSE
A __________________ is a quadrilateral with two sets of parallel sides and 4 right angles.
  • trapezoid
  • parallelogram
  • rectangle
  • square
A ___________ is a quadrilateral with two sets or parallel sides and 4 congruent (equal) sides.
  • trapezoid
  • rhombus
  • parallelogram
  • rectangle
A _______________ is a quadrilateral with two sets of parallel sides.
  • trapezoid
  • parallelogram
  • kite
  • triangle
What do all of the angles of a quadrilateral have to add up to?
  • 90 degrees
  • 180 degrees
  • 270 degrees
  • 360 degrees
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