v1 Measurement, STD1 M1 2019 HSC 25 The diagram illustrates a sector formed by a central angle of 105°, taken from a circle with a radius of 15 metres. What is the perimeter of the sector? Write your answer correct to 1 decimal place. (3 marks) Show Answers Only `57.5\ \ (text(1 d. p.))` Show Worked Solution `text(Arc length)` `= 105/360 xx 2 xx pi xx 15` `= 27.49` `:.\ text(Perimeter)` `= 27.49 + 2 xx 15` `= 57.49` `= 57.5\ \ (text(1 d. p.))`
