Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 43

MEDIUM

9th CBSE

IMPORTANT

Earn 100

Diagonals of a parallelogram are perpendicular to each other. Is this statement true? Give reasons for your answer.

Important Questions on Quadrilaterals

MEDIUM

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 44

What special name can be given to a quadrilateral

P Q R S

if

∠ P + ∠ S = 180 °

.

EASY

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 45

All the angles of a quadrilateral can be acute. Is this statement true? Give reasons for your answer.

EASY

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 46

All the angles of a quadrilateral can be right angles. Is this statement true? Give reasons for your answer.

EASY

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 47

All the angles of a quadrilateral can be obtuse. Is this statement true Give reasons for your answer.

EASY

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 48

Can we form a quadrilateral whose angles are

70 °, 115 °, 60 °

and

120 ° ?

Give reasons for your answer.

MEDIUM

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 49

What special name can be given to a quadrilateral whose all angles are equal?

MEDIUM

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 50

If

D

and

E

are respectively the midpoints of the sides

A B

and

B C

of

∆ A B C

in which

A B = 7.2 cm, B C = 9.8 cm

and

A C = 3.6 cm

and the length of

D E = k cm

then find

k

.

MEDIUM

9th CBSE

IMPORTANT

Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 51

In a quadrilateral

P Q R S

, the diagonals

P R

and

Q S

bisect each other. If

∠ Q = 56 °

and

∠ R = k °

, find the value of

k

.