UCEED 2019

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UCEED2019Q19·nat·Hard53 attempts

A logo was designed by creating a pattern of orange petals using four semicircles. These petals were then inscribed in a green circular shape with an inner diameter of 14√2 (fourteen times square root of two) units, what is the area of the orange part in the logo? (Assume π = 22/7)

Keyboards off — use the numpad, just like on exam day.