Question

please answer me its very urgent​

Answer 1

1

Given :- In a rhombus ABCD, diagonals intersect each other at point P ?

Answer :- 90° .

Hence, we can conclude that, angle APB is equal to 90°

2 1it can only be explained face to face

2join oa op =3 ap=4

use Pythagoras theorem 3²+4² =√25 is 5

3 use (a+b)² identify

m²+4mn+4n

4 last one see the attachment