Answer:
[tex]\large\boxed{d_2=15\ cm}[/tex]
Step-by-step explanation:
The formula of an area of a kite:
[tex]A=\dfrac{d_1d_2}{2}[/tex]
d₁, d₂ - diagonals
We have A = 120 cm² and d₁ = 16 cm. Substitute:
[tex]\dfrac{16d_2}{2}=120[/tex]
[tex]8d_2=120[/tex] divide both sides by 8
[tex]d_2=15\ cm[/tex]
