Question
PSLE
FJKL is a rectangular cardboard with FL = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 63 cm2. Using π = 227, find the length of GH.
3 m

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PSLE
FJKL is a rectangular cardboard with FL = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 63 cm2. Using π = 227, find the length of GH.