圆心角是120°的扇形面积等于圆面积的______.
120°÷360°=13;
答:圆心角是120°的扇形的面积等于圆面积的13.
故答案为:13.
—____?
—Yes, we do. [ ]
A. Do you have a tennis racket
B. Are you have a ping-pong ball
C. Does she have a computer game
D. Is it your basketball
微体可根据功能分为()和()两类。