Question

in a triangle ABC where AD is 4 cm CD is 5cm and BD is 5cm. Also the area of a square is the same as the area of triangle ABC. then lenght of each side of square

Answer 1

Area of triangle =1/2 × base× height
=1/2 ×10×4 =20cm²
If area of square =area of triangle
=> (side)² =20
Hence , side of square=2√5cm

Answer 2

A quadrilateral is a plane figure that has four sides or edges, and also have four corners or vertices.

Hope it will be helpful :)