Further Pure Mathematics 4PM1 / Trigonometry / 1.641.64: Diagram accurately drawn4PM1/1/January/2019 — Question 1 · 4 marksMark as done · Save for laterFigure 1The The Figure area size of shows of angle the sector a sector is is 1.5\displaystyle 1.51.5 of a circle, centre O.\displaystyle {\cal O}.O.Find the perimeter of the sector.(4)▸ Mark scheme← 1.57: 4PM1/1/June/2019 — Question 71.65: 4PM1/1/January/2019 — Question 4 →