Given the perimeter of a triangle as 18 ft. Its side lengths are 5 ft, 7 ft and x ft. Find x.
7 ft
8 ft
5 ft
6 ft
The perimeter of a triangle is 56m. Its sides are 2x,2x+3 and 2x+5.Find the respective length of sides of triangle.
The lengths of the sides of a triangle are in the ratio 4 : 5 : 3 and its perimeter is 96 cm. Find its area.