Question

plz explain this 13 no. question

Answer 1

as we know that in rhombus all sides are equal
this means each side is 5 cm
make two diagonals olin rhombus
second diagonal which u have to find makes a traingle.
use Pythagoras theorm in that nd find the diagonal.
diagonals would be 5root2 cm

Answer 2

here is your answer...