Question

xi) Which of the following cannot be the angles of a

quadrilateral?

a)90°, 70°, 110°, 90°

b)85°, 89°, 71°, 115°

c) 101°, 91°, 79°, 89°

d)89°, 75°, 81°, 85°

xii) The volume of liquids and gases is expressed in

a)litre

b)Kg

c) gram

d)None of these

xiii) Square of an odd number is always an odd

number.

a)True

b)False

xiv) |





−





| equals to

a)−



b)−



c)



d)



xv) ) The quadrilateral formed by joining the mid-point

of the sides of a quadrilateral taken in order is a

a)Rectangle b))Kite

c) Square

d)Parallelogram

xvi) In Heron’s Formula to calculate the area of a

triangle, ‘s’ is the

a)Side of the triangle

b)Slant height of the triangle

c) Semi-perimeter of the triangle

d)None of these

xvii)In which quadrant does the point A(-2,-7) lie?

a)I

b)II

c) III

d)IV

xviii) The graph of y=a is

a)A line parallel to x-axis

b)The x-axis

c) A line parallel to y-axis

d)The y-axis

xix) Unequal diagonal bisect each other in

a)Quadrilateral

b)Square

c) Rhombus

d)Rectangle​

Answer 1

Answer:

xiii _true because

let odd no is 3 then it.s squer is =(3)^2=9

simply it is proved

Answer 2

Answer:

xi) d)89°, 75°, 81°, 85°

xii) a) litre

xiii) a) true

xiv) | | absolute value of any value, be it positive (+) or negative (-) is always positive.

xv) d) parallelogram

xvi) d) Semi-perimeter of the triangle

xvii) d) IV

xviii)a)A line parallel to x-axis

xix) c) rhombus