Question
PSLE
EHJK is a rectangular cardboard with EK = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 77 cm2. Using π = 227, find the length of FG.
3 m

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PSLE
EHJK is a rectangular cardboard with EK = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 77 cm2. Using π = 227, find the length of FG.