Find `BC,` if the area of the triangle `ABC` is `36cm^2` and the height `AD` is `3cm` (Fing 11.21)

If triangle ABC~triangle DEF such that the area of triangle ABC is 9 cm^2 and the area of triangle DEF is 16 cm^2 . If BC=2.1 cm, find the length of EF.

In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 cm^(2) . What is the area (in cm^(2) ) of triangle FGE ?

If Delta ABC ~ Delta DEF such that area of Delta ABC " is " 9 cm^(2) and the area of Delta DEF " is " 16 cm^(2) and BC=2.1 cm. Find the length of EF.

triangle ABC is isosceles with AB = AC = 7.5 cm and BC = 9 cm . The height AD from A to BC is 6 cm find the area of triangle ABC What will be the height from C to AB.i.e, CE?

The base of a triangle is 36 cm and its corresponding height is 13 cm . Find the area of the triangle .

(ix) AD, BE and CF are the three medians of Delta ABC and intersect at G. The area of the Delta ABC is 36 Sq. cm. Find (a) the area of Delta AGB and (b) the area of the quadrilateral BDGF.

In the given figure, BC is parallel to DE. Area of triangle ABC = 25 cm^2 , Area of trapezium BCED = 24 cm^2 and DE = 14 cm . Calculate the length of BC. Also, find the area of triangle BCD.

The areas of two similar triangles are 36cm^(2) and 100cm^(2) .If the length of a side of the smaller triangle in 3cm, find the length of the corresponding side of the larger triangle.

AD is a median of triangle ABC. G is a mid point of AD. If area of triangle ABC is 16 sq. cm. Find the area of triangle GDC