In which of the case, out of the following cases, it is not possible to construct a quadrilateral; when :

A. all the four sides are given.

B. one diagonal and all the four sides are given.

C. one angle and all the four sides are given.

D. both the diagonals and three sides are given.

1. A

2. B

3. C

4. D

In which of the case, out of the following cases, it is not possible to construct a parallelogram, when :

A. two adjacent sides and angle between them are given.

B. two adjacent sides and a diagonal are given.

C. both the diagonals are given.

D. both the diagonals and the angle between them are given.

1. A

2. B

3. C

4. D

In which of the following cases, it is not possible to construct a square when :

A. one diagonal is given

B. one side is given

C. one angle is given which is 90°

D. one side and the angle between a side and a diagonal are given.

1. A

2. B

3. C

4. D

Given below are the angles x and y.

Without measuring these angles, construct :

(i) ∠ABC = x + y

(ii) ∠ABC = 2x + y

(iii) ∠ABC = x + 2y