In the given figure, if `angleADE=angleB` show that `triangleADE~triangleABC`.

In the given figure, find angleD and angleB .

in the given figure, if triangleABE cong triangleACD prove that triangleADE ~ triangleABC .

In the given figure, triangle ABC is a right triangle with angleB=90^(@) and D is mid-point of side BC. Prove that : AC^(2)=AD^(2)+3CD^(2)

The given figure shows an example of

In the given figure , angle1=angle2 and angle3 = angle4 . If BC= 7.5 cm , DE= 12.5cm and area of triangle ABC= 13.5 cm^(2) . Find the area of triangleADE .

In the given figure, show that A B||E Fdot

In the given figure if angleB= 90^(@) and BD is perpendicular to AC then prove that: (i) triangleADB~triangleBDC (ii) triangleADB~triangleABC (iii) triangleBDC ~ triangleABC (iv) BD^(2)= AD xx DC (v) AB^(2)= AD xx AC (vi) BC^(2)= CD xx AC (vii) AB^(2)+BC^(2)= AC^(2)

In the accompanying diagram of triangle ABC, AC=BC, D is point on overline(AC), overline(AB) is extended to E, and overline(DEF) is drawn so that triangleADE-triangleABC . If mangleC=30 , what is the value of x?

In the given figure, O is the centre of the circumcircle of triangleABC . Tangents at A and C intersect at P. Given angle AOB=140^(@) and angle APC=80^(@) find the angle BAC.