11. When area circle is 154
cm^2, then the circumferenc
of circle will be
Answers
Answered by
0
Step-by-step explanation:
22/7(r^2)=154
r^2 = 154(7/22)
r^2 = 49
r = 7
circumference 2(22/7)r
2(22/7)(7)
= 44cm^3
Answered by
0
Answer:
44 cm
Step-by-step explanation:
1. 154cm²= πr²
2. r²= 154/π
3. r²= 154×7/22
4. r²=49
5. r=7
6. Circumference=2πr=2×22×7/7=44 cm
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