In a rectangle `A B C D ,\ \ A B=20 c m` , `/_B A C=60o` . Calculate side `B C` .

In a rectangle A B C D ,\ \ A B=20 c m , /_B A C=60^@ . Calculate side B C .

In a rectangle A B C D , prove that A C B~= C A Ddot

In an isosceles triangle A B C ,\ A B=A C=25 c m ,\ \ B C=14 c m . Calculate the altitude from A on B C .

A paper is in the form of a rectangle A B C D in which A B=20\ c m and B C=14\ c mdot A semicircular portion with B C as diameter is cut off. Find the area of the remaining part.

A paper is in the form of a rectangle A B C D in which A B=20\ c m and B C=14\ c mdot A semicircular portion with B C as diameter is cut off. Find the area of the remaining part.

A paper is in the form of a rectangle A B C D in which A B=20 c m and B C=14 c m. A semi-circular portion with BC as diameter is cut off. Find the area of remaining part.

A paper is in the form of a rectangle A B C D in which A B=20 c m and B C=14 c mdot A semi-circular portion with BC as diameter is cut off. Find the area of a remaining part.

The diagonals of a rectangle A B C D\ meet at O . If /_B O C=44^0, find /_O A D

The diagonals of a rectangle A B C D\ meet at O . If /_B O C=44^0, find /_O A D

D and E are the points on the sides A B and A C respectively of a triangle A B C such that: A D=8c m ,\ \ D B=12 c m ,\ \ A E=6c m and C E=9c m . Prove that B C=5//2\ D E .