已知扇形的半径为2cm，圆心角为2弧度，则该扇形的面积为（）A．4cm2B．6cm2C．8cm2D．16cm2

Question

^2
2
2
2

Answer 1

该扇形的面积S=(1)/(2)α•r2=(1)/(2)×2×22=4cm．
故选：A． (1)/(2)111222α•r2=(1)/(2)×2×22=4cm．
故选：A． 2=(1)/(2)×2×22=4cm．
故选：A． (1)/(2)111222×2×22=4cm．
故选：A． 2=4cm．
故选：A．