In the following figure, `ST||QR`, then `Delta PST~Delta PQR`. (Yes/ No).

In the adjoining figure , Delta PQR is an equilateral triangle. QR = RN . Prove that PN^(2) =3PR^(2)

In the following figures, the sides AB and BC and the median AD of triangle ABC are respectively equal to the sides PQ and QR and median PS of the triangle PQR. Prove that Delta ABC and Delta PQR are congruent.

In the given diagram show that triangle PST ~triangle PQR . .

In the given figure, S and T are points on sides PR and QR of Delta PQR such that angle P= angle RTS . Show that Delta RPQ~ Delta RTS .

In the given figure, O is point inside a Delta PQR such that angle POR=90^(@), OP=6 cm and OR=8 cm . If PQ=24cm and QR=26cm , prove that Delta PQR is right angled.

PQR is a triangle. S and T are the midpoints of the sides PQ and PR respectively. Which of the following is TRUE? I. Triangle PST is similar to triangle PQR. II. ST = 1/2(QR) III. ST is parallel to QR. / ST, QR

In the adjoining figure, S and T are points on the sides PQ and PR respectively of DeltaPQR such that PT=2cm, TR=4 cm and ST is parallel to QR. Find the ratio of the ares of Delta PST and Delta PQR .

Draw the following triangles . in Delta PQR, PQ = 5cm , QR = 6cm " and " RP = 8.2 cm

in the adjoining figure, Delta PQR is an equilateral triangle. Point S is on seg QR such that QS = 1/3 QR , Prove that 9 PS^(2) = 7 PQ^(2)