Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq. cm, find its height.
Answer
Answer (as printed):
Explanation
Let the height of the parallelogram be $x \mathrm{cm}$. Then, base $=(2 x) \mathrm{cm}$. $$\therefore 2 x \times x=72 \Leftrightarrow 2 x^{2}=72 \Leftrightarrow x^{2}=36 \Leftrightarrow x=6 \text {. }$$ Hence, height of the parallelogram $=6 \mathrm{cm}$.