One of the diagonals of a rhombus is double the other diagonal. Its area is 25 sq. cm. The sum of the… · ABC26GN4514

Subject: General Aptitude · Chapter: Area

One of the diagonals of a rhombus is double the other diagonal. Its area is 25 sq. cm. The sum of the diagonals is

(a)10 cm

(b)12 cm

(c)15 cm

(d)16 cm

Answer

Answer (as printed): C

Explanation

d1 × 2 d1 = 25 ⇔ d12 = 25 ⇔ d1 = 5. 2 \ Sum of lengths of diagonals = (5 + 10) cm = 15 cm.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Area