Choose the correct alternative answer and fill in the blanks. (i) If all pairs of adjacent sides of a quadrilateral are congruent then it is called ....(A) rectangle (B) parallelogram (C) trapezium, (D) rhombus (ii) If the diagonal of a square is 12 2 cm then the perimeter of square is ......(A) 24 cm (B) 24 2 cm (C) 48 cm (D) 48 2 cm (iii) If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ...(A) 100° (B) 80° (C) 160° (D) 40°

Choose the correct alternative answer and fill in the blanks. (i) If

1.	Choose the correct alternative answer and fill in the blanks. (i) If all pairs of adjacent sides of a quadrilateral are congruent then it is called ....(A) rectangle (B) parallelogram (C) trapezium, (D) rhombus (ii) If the diagonal of a square is 12 2 cm then the perimeter of square is ......(A) 24 cm (B) 24 2 cm (C) 48 cm (D) 48 2 cm (iii) If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ...(A) 100° (B) 80° (C) 160° (D) 40°
Answer» Choose the correct alternative answer and fill in the blanks. (i) If all pairs of adjacent sides of a quadrilateral are congruent then it is called .... (A) rectangle (B) parallelogram (C) trapezium, (D) rhombus (ii) If the diagonal of a square is 12 $\sqrt{2}$ cm then the perimeter of square is ...... (A) 24 cm (B) 24 $\sqrt{2}$ cm (C) 48 cm (D) 48 $\sqrt{2}$ cm (iii) If opposite angles of a rhombus are (2x)^° and (3x $-$ 40)^° then value of x is ... (A) 100^° (B) 80^°(C) 160^°(D) 40^°