September 2018 1 75 Report
1. Luas lingkaran yg berdiameter 20 cm adalah... a. 12.56 cm b. 314 cm
c. 62,8 cm d. 31,4 cm
2. jari-jari lingkaran yg luasnya 36phi cm adalah... a. 6 cm b. 9 cm c. 12 cm
d. 6phi cm
3. Diameter lingkaran yg luasnya 38,5 cm adlh... a. 3,5 cm b. 7 cm c. 14 cm
d. 21 cm
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