If E is the set of equilateral triangle and I is the net of isoscales triangle then find `I - E`

In an equilateral triangle , find ( r ) /( R )

Find all the anlges of an equilateral triangle.

Find all the angles of an equilateral triangle.

If D, E and F are the mid-points of the sides of an equilateral triangle ABC, then the ratio of the area of triangle DEF and DCF is :

(a,b),(c,d),(e,f) are the vertices of an equilateral triangle.Then the orthocenter of the triangle is

Each side of an equilateral triangle is 10 cm. Find (i) the area of the triangle and (ii) the height of the triangle .

Let's write the ratio of the angles of a right angled isoscale triangle.

Three parallel long straight conductors are carrying equal currents i each as shown. Th e conductors are passing tlrrough the vertices of equilateral triangle of side 'a'. Find the magnetic firld at C the centroid of triangle

If one vertex of an equilateral triangle is 1+i and centroid is at origin,then find other twovertices of triangle.