Construct an equilateral triangle whose side is 5 cm.

Construct an equilateral triangle whose altitude is 4 cm.

Construct an equilateral triangle of sides 6 cm each.

Construct an equilateral triangle ABC with side 6 cm. Draw a circle circumscribing the triangle ABC.

Construct on equilateral triangle each of whose sides is of length 4.6 cm.

The given figure shows an equilateral triangle ABC whose side is 10 cm and a right-angled BDC inside it, whose side BD = 8 cm and angleD = 90^(@) . Find the area of the shaded portion.

Find the area of an equilateral triangle whose side is a cm.

Find the area of an equilateral triangle, whose one side is a cm.

What is the area of an equilateral triangle whose sides measure 8 cm long?

The given figure shows an equilateral triangle ABC whose each side is 10 cm and a right-angled triangle BDC whose side BD = 8 cm and angleD=90^(@) . Find the area of the shaded portion.

Calculate the area and the height of an equilateral triangle whose perimeter is 60 cm.