Question
PSLE
ADEF is a rectangular cardboard with AF = 14 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 112 cm2. Using π = 227, find the length of BC.
3 m

Click button first when a symbol is required. X

PSLE
ADEF is a rectangular cardboard with AF = 14 cm. Two quarter circles have been cut from it as shown. The remaining cardboard, which is the shaded part, has an area of 112 cm2. Using π = 227, find the length of BC.