Sides the three line segments ABBC and CA that form the triangle ABC are called the sides of the triangle ABC.

SIDES The three line segments 'AB BC and CA' that form the triangle 'ABC are called the sides of the triangles 'ABC.

Sides in a quadrilateral ABCD the four line segments ABBC CD and DA are called its sides.

Sides in a quadrilateral ABCD the four line segments ABBC.CD and DA are called its sides.

D,E,F are the foot of the perpendiculars from vertices A,B,C to sides BC,CA,AB respectively,and H is the or the centre of acute angled triangle ABC, where a,b,c are the sides of triangle ABC, then

ANGLES The three angles -BAC-ABC and -ACB are called the angles of Delta ABC .

Let P, Q, R be the mid-points of sides AB, BC, CA respectively of a triangle ABC. If the area of the triangle ABC is 5 square units, then the area of the triangle PQR is

Elements or parts the three sides AB BC CA and three angles A B C of a Delta ABC are together called the six parts of elements of the Delta ABC.

Each side of triangle ABC is divided into three equal parts.Find the ratio of the are of hexagon PQRSTU to the area of the triangle ABC.