Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
The sides of a triangle are 5 cm, 6 cm, and 7 cm. One more triangle is formed by joining the mid-points of the sides. The perimeter of the second triangle in cm is
(a)6
(b)9
(c)12
(d)18
(e)None of these
Answer
Answer (as printed): B
Explanation
Note: The line segment joining the mid-points of two sides of a triangle is parallel to the third side and equal to half of it. Then, perimeter of the second triangle 1 = (5 + 6 + 7) cm = 9 cm. 2
Explanation as extracted from the printed page; notation may be imperfect.