From the question we know that:
the first diagonal = 3 + 3 = 6 units length
the second diagonal = 4 + 4 = 8 units length
The area of a rhombus could be determined using
a = 1/2 × d₁ × d₂
Input the numbers to the formula
a = 1/2 × 6 × 8
a = 1/2 × 48
a = 24
The area is 24 units area