If non sense reported and plus only Expert can answer or others. Goodluck :>
1. Given the two circles A and B. Circle A has a radius of 10cm. The radius of circle B is half the radius of circle A. Compare their areas.
Area of circle A Area of circle B
A = __________ A = ______________ r =10 cm
2. If the length of minute hand is 12 cm, find the area swept by a clock’s minute hand in one hour.
�� = ����2
The larger the radius, the larger the area.
The minute hand goes round in an our.
So the area swept by the minute hand is: