Answer:
126 cm²
Step-by-step explanation:
The area (A) of a rhombus is calculated as
A = [tex]\frac{1}{2}[/tex] × d₁ × d₂ ← diagonals
The diagonals of a rhombus are perpendicular bisectors of each other, thus
d₁ = 7 + 7 = 14 and d₂ = 9 + 9 = 18, hence
A = 0.5 × 14 × 18 = 126 cm²
