Discs of a radius 4cm are cut from a rectangular plastic sheet of length 84cm and width 24 cm How many complete discs can be cut out?

The total area of the discs?

The total area of the sheet wasted?​

40

Step-by-step explanation:

Given

Radius of disc

The dimension of the sheet is

Area of a single disc

Area of sheet

No. of discs that can be cut off the sheet are

The total area of the disc is

Sheet wasted

£56

step-by-step explanation:

u divide 24 by 3 and u get 8 so if u do 8 time 7 or 8+8+8+8+8+8+8 u get 56 and 56 divided by 7 is 8.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.