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There is a second method to solve Q25 which involves algebra, hence I felt that trail and error is the simpler way to solve this.
For Question 26. It is a matter of recognising that the 2 semi circles are the same and forms a full circle.
So it is just a matter of adding the circumference of the circle with the length of 21cm x 2
For Question 26. It is a matter of recognising that the 2 semi circles are the same and forms a full circle.
So it is just a matter of adding the circumference of the circle with the length of 21cm x 2
Date Posted:
2 years ago
Thanks