Help with rhombus?

Question

if d2 of the rhombus is 14, and one side is 25, what is the area?

Answer 1

Area of the rhombus is (d₁ · d₂)/2

d₁ = 2 · √(25² - 7²) = 2 · 24 = 48
A = (d₁d₂)/2 = (48 · 14) / 2 = 336 sq. units