4. A rectangle measures 20cm by 15cm If each dimension is increased by 2.5cm by what percentage is a) The perimeter of the rectangle increased b) The area of the rectangle is increased​

Respuesta :

Answer:

The area of the rectangle is increased by 393.75.

Step-by-step explanation:

Add 2.5 to each number then multiply the sums. Please note I am actually in 7th grade.