If the diagonals of a rhombus are 4.8 cm 1.4 cm, then what

If the diagonals of a rhombus are 4.8 cm 1.4 cm, then what is the perimeter of the rhombus?

Perimeter of rhombus
= 2 √ d₁ ² + d₂ ²
= 2 √(4.8)² + (1.4)²
= 2 √23.04 + 1.96
= 2 √25
= 2 x 5 = 10 cm