Question

The sides of a triangle are 5cm , 6 cm , 7cm.One more triangle is formed by joining the midpoints of the sides. The perimeter of the second triangle is?

Answer 1

hint : the midsegment in a triangle is parallel to the other side, and is HALF of the other side

Answer 2

so, the perimeter also will be HALF of the original triangle

Answer 3

9

Answer 4

9 is \(\large \color{red}{\checkmark}\)