Practice the AP 7th Class Maths Bits with Answers Chapter 12 Quadrilaterals on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 7th Class Maths Bits 12th Lesson Quadrilaterals with Answers

I. Choose the correct answer.

Question 1.

If the diagonals AC, BD of a parallelogram meet at O, then

A) OA = OC

B) OA = OB

C) OA = OD

D) 2 OA = BD

Answer:

A) OA = OC

Question 2.

ABCD is a parallelogram. ∠A + ∠D =

A) 90°

B) 180°

C) 360°

D) 270°

Answer:

B) 180°

Question 3.

From the given figure, ∠x = ……………….?

A) 60°

B) 45°

C) 30°

D) 55°

Answer:

A) 60°

Question 4.

The sum of the 4 angles of Quadrilateral is ……………………

A) 250°

B) 270°

C) 180°

D) 360°

Answer:

D) 360°

Question 5.

If ABCD is a rhombus then ……………….

A) AB = CD, BC = AD, AC ≠ BD

B) AB = CD, BC = AD, AC = BD

C) AB = BC = CD = DA, AC ≠ BD

D) AB = BC = CD = DA, AC = BD

Answer:

C) AB = BC = CD = DA, AC ≠ BD

Question 6.

ABCD is a parallelogram then …………………

A) AB = CD, BC = AD, AC ≠ BD

B) AB = CD, BC = AD, AC = BD

C) AB = BC = CD = DA, AC = BD

D) None

Answer:

A) AB = CD, BC = AD, AC ≠ BD

Question 7.

Each of a parallelogram, is 90° then it is …………….

A) rhombus

B) square

C) rectangle

D) trapezium

Answer:

C) rectangle

Question 8.

Three angles of a Quadrilateral are 65°, 120°, 70° then the 4 th angle is ………………..

A) 95°

B) 115°

C) 105°

D) 100°

Answer:

C) 105°

Question 9.

The angles of a quadrilateral are in the ratio of 1 : 2 : 3 : 4 then the largest angle is ……………….

A) 120°

B) 108°

C) 72°

D) 144°

Answer:

D) 144°

Question 10.

Each angle of a square is …………………

A) 90°

B) 180°

C) 45°

D) 60°

Answer:

A) 90°

Question 11.

The angles of a quadrilateral are x°, (x + 10°), (x + 20°), (x + 30°) then ∠x = …………….

A) 65°

B) 75°

C) 85°

D) 70°

Answer:

B) 75°

Question 12.

In a parallelogram ABCD ∠A :∠B = 2 : 3 then ∠C = ………………

A) 90°

B) 108°

C) 72°

D) 60°

Answer:

C) 72°

Question 13.

Which of the following is true?

A) All rhombuses are parallelograms

B) All kites are rhombuses

C) Every parallelogram is a square

D) Every square is a parallelogram

Answer:

D) Every square is a parallelogram

Question 14.

A rectangle in which all the sides are equal is called a ……………..

A) parallelogram

B) square

C) rhombus

D) trapezim

Answer:

B) square

Question 15.

In a rhombus ABCD ∠ADC = 45° then the other angles are ……………….

A) 135°, 45°, 135°

B) 45°, 135°, 135°

C) 60°, 120°, 60°

D) 120°, 60°, 120°

Answer:

A) 135°, 45°, 135°

Question 16.

A square is a ………………

A) parallelogram

B) rhombus

C) rectangle

D) all the above

Answer:

D) all the above

Question 17.

If the adjacent angles of a parallelogram are x + 29°, 2x + 31° then ∠x = ……………

A) 30°

B) 40°

C) 60°

D) 120°

Answer:

B) 40°

Question 18.

Sum of the angles in a quadrilateral in right angles

A) 2

B) 3

C) 4

D) 5

Answer:

C) 4

Question 19.

Number of independent measurements required for the construction of a quadrilateral

A) 3

B) 5

C) 6

D) 4

Answer:

B) 5

Question 20.

Sum of the exterior angles of a quadrilateral in right angles

A) 1

B) 2

C) 3

D) 4

Answer:

D) 4

Question 21.

A quadrilateral which has one pair of opposite sides parallel is called is called a

A) Rhombus

B) Square

C) Parallelogram

D) Trapezium

Answer:

D) Trapezium

Question 22.

Number of independent measurements for the construction of a trapezium

A) 2

B) 3

C) 4

D) 5

Answer:

C) 4

Question 23.

The quadrilateral in which the diagonals bisect each other and they are perpendicular to each other

A) Rectangle

B) Rhombus

C) Parallelogram

D) Trapezium

Answer:

B) Rhombus

Question 24.

The name of the quadrilateral in which the diagonals are equal and perpendicular to each other

A) Parallelogram

B) Rhombus

C) Square

D) Rectangle

Answer:

C) Square

Question 25.

How many measurements are needed for the construction of a square?

A) 2

B) 3

C) 4

D) 1

Answer:

D) 1

Question 26.

Measurements (Independent) needed for the construction of a rhombus?

A) 2

B) 3

C) 4

D) 5

Answer:

A) 2

Question 27.

The number of independent measurements required for the construction of a parallelogram are

A) 2

B) 3

C) 4

D) 5

Answer:

B) 3

Question 28.

From the given figure given, the diagonals are ………………..

A) AB, BC

B) BC, CD

C) AC, BD

D) AD, CD

Answer:

C) AC, BD

Question 29.

From the above figure, the angles are

A) ∠A, ∠B

B) ∠D

C) ∠C

D) All the above

Answer:

D) All the above

Question 30.

From the above figure, the adjacent sides are

A) AB, BC

B) BC, AD

C) AC, BD

D) AB, CD

Answer:

A) AB, BC

Question 31.

Two adjacent sides of a parallelogram are in the ratio of 2 : 1. If its perimeter is 21 cm, then its shortest side is ……………… cm

A) 7

B) 6

C) 3.5

D) 3

Answer:

A) 7

Question 32.

ABCD is a square \(\overline{\mathrm{AC}}\) is the diagonal, then ∠BAC = ……………..

A) 50°

B) 30°

C) 60°

D) 45°

Answer:

D) 45°

Question 33.

Which of the following is not true?

A) A parallelogram in which two adjacent sides are equal is a rhombus

B) Every diagonal of rectangle divides it into two congruent triangles

C) ABCDisaparallelogram∠A -∠C = 90°.

D) The diagonals of a rhombus bisect at right angles

Answer:

C) ABCDisaparallelogram∠A -∠C = 90°.

Question 34.

FLAG is a rectangle from the given figure x = …………….. cm

A) 1

B) 2

C) 3

D) 4

Answer:

A) 1

Question 35.

From the given figure (ABCD is a parallelogram) ∠A = ……………………?

A) 115°

B) 125°

C) 120°

D) 105°

Answer:

A) 115°