Page 185 - NUMINO_WB_6A
P. 185
128-B6-1
1. The circle below has a radius of 8 cm. Find the length of the arc indicated by the
bold line.
a. about 3.14 cm b. about 6.28 cm c. about 9.42 cm d. about 12.56 cm
2. A semicircle with a diameter of 18 cm is divided into different-sized sectors. Find
the perimeter of each sector.
1 sector 1 sector
6 3
1. The circle below has a radius of 8 cm. Find the length of the arc indicated by the
bold line.
a. about 3.14 cm b. about 6.28 cm c. about 9.42 cm d. about 12.56 cm
2. A semicircle with a diameter of 18 cm is divided into different-sized sectors. Find
the perimeter of each sector.
1 sector 1 sector
6 3
