The side of a triangle are in A.P. Its area is `3/5` the of an equilateral triangle of the same perimeter. Show that the sides are in the proportion `3:5:7`.

The sides of a triangle are in A.P. and its area is 3/5t h of the an equilateral triangle of the same perimeter, prove that its sides are in the ratio 3:5:7, and find the greatest angle of the triangle.

The sides of a triangle are in A.P. and its area is (3)/(5) th of an equilateral triangle of the same perimeter. Find the greatest angle of the triangle

The side of a Delta are in AP. And its area is 3/5xx (area of an equilateral triangle of the same perimeter). Find the ratio of its sides.

The sides of a triangle ABC are in A.P.and its area is 1/3rd of an equilateral triangle of same perimeter.Find ratio of the sides of triangle.

Area of equilateral triangle of side "a" unit is

Compare the areas of a equilateral triangle and a square of same perimeter.

The side of an equilateral triangle is 3.5cm. Find its perimeter

Find the perimeter of an equilateral triangle with side 9cm.

The ratio of the area of a square of side a and that of an equilateral triangle of side a, is

Find the perimeter of an equilateral triangle with side 8 cm.