SEE THE PICTURE!~,BELOW~
Answer:
m∡2 = 90°
Step-by-step explanation:
diagonals of a rhombus are perpendicular
x^2 + 2xy + y ^2
A = a^2
a = x + y
(x + y) + (x + y)
x^2 + xy + xy + y^2
3000
