Question
PSLE
QTUV is a rectangular cardboard with QV = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 147 cm2. Using π = 227, find the length of RS.
3 m

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PSLE
QTUV is a rectangular cardboard with QV = 7 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 147 cm2. Using π = 227, find the length of RS.