Answer:
72 cm
Step-by-step explanation:
The area (A) of a kite is calculated as
A = [tex]\frac{1}{2}[/tex] × d₁ × d₂ ( d₁ and d₂ are the diagonals )
Here A = 900 and d₁ = 25, thus
[tex]\frac{1}{2}[/tex] × 25 × d₂ = 900 ( multiply both sides by 2 )
25d₂ = 1800 ( divide both sides by 25 )
d₂ = 72 cm
