MEDIUM
9th CBSE
IMPORTANT
Earn 100

Which of the following is not true?
(i) Every square is a rectangle
(ii) Every rectangle is a quadrilateral
(iii) Every parallelogram is a trapezium

Important Questions on Quadrilaterals

MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 17
Diagonals of a parallelogram ABCD intersect at O. If ∠BOC=90° and ∠BDC=40°. Then what is the measure of ∠OAB?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 18
The diagonal of a rectangle is inclined to one side of the rectangle at 25°. What is the measure of the acute angle formed between the diagonals?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 19
ABCD is a rhombus such that ∠ADB=50°. then what is the measure of ∠ACB?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 20
Which of the following is not true for a parallelogram?
Diagonals bisects each other
Opposite sides are equal
Opposite angles are equal
Opposite angles are bisected by the diagonals.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 21
ABCD is a parallelogram such that its diagonals are equal. What is the measure of ∠ABC?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 22
Is the statement: ''diagonals of a rhombus are equal and perpendicular to each other''
(i) False
(ii) True
(iii) Sometimes true and sometimes false.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 23

In the statement, ''If three angles of a quadrilateral ABCD are equal, then it is a parallelogram.''

True, False, May or may not be true.

MEDIUM
9th CBSE
IMPORTANT
Full Marks Mathematics 9>Chapter 8 - Quadrilaterals>TEST YOUR SKILLS>Q 24
What do the two angles of a quadrilateral having a common arm are called?