Question

In rectangle abcd, ab=20cm,angle bac=60 calculate the side bc and diagonal ac and bd

Answer 1

it is a incorrect question because a rectangle has never an angle of 60°
wrong question
a rectangle is always made. of 4 sides with 4 angles of 90 °
THANK YOU
OR IF IT IS OBSERVER SO WRITE QUADRILATERAL NOT RECTANGLE

Answer 2

20, 21 and 29 are Pythagorean triplet.
One side of right triangle is given i.e. 20.
Therefore BC will be 21 and the diagnals will be 29 in length.


Hope it helps.