Answer:
The answer to your question is Perimeter = 8.5 cm; Area = 3.75 cm²
Explanation:
Data
base = 3 cm
height = 1.25 cm
Formula
Perimeter = 2(base) + 2 (height)
Area = base x height
Process
1.- Calculate the perimeter
Perimeter = 2(3) + 2(1.25)
Perimeter = 6 + 2.5
Perimeter = 8.5 cm
2.- Calculate the area
Area = 3 x 1.25
Area = 3.75 cm²