# maths

A sector of a circle of a radius 6cm subrends angle of 105 at the centre of a circle.calculate the perimeter of the sector and the area of the sector?

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1. perimeter is the 2 radii, plus the outer arc
... 6 + 6 + [(105 / 360) * 2 * 6 * π]

area is the fraction of the circle
... (105 / 360) * π * 6^2

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3. An angle of 105 at the centre of a circle of radius 6 cm find the length of the arc and find the area of the sector

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