1. 4.5см* 1000000= 500000см=45000м=45км
2. L=2πR= 2*3.14*8=50cм
3. S=πR²=(22/7)*7²=22/7=≈3.14см²
1. 3.5см*1000000=...=35км
2. L=2*3.14*10=63 см
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Answers & Comments
1. 4.5см* 1000000= 500000см=45000м=45км
2. L=2πR= 2*3.14*8=50cм
3. S=πR²=(22/7)*7²=22/7=≈3.14см²
1. 3.5см*1000000=...=35км
2. L=2*3.14*10=63 см
3. -"-