Exercise 15.4 Find the circumference of the following circles (use it = =).b) Radius = 35 cmc) Radius = 49 cm. a) Radius = 28 cm please solve it and give me a right answer About the author Adalynn
Answer: [tex]b) \: r = 35cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 35 \\ = 2 \times 22 \times 5 \\ = 220cm \\ \\ \\ c) \: r = 49cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 49\\ = 2 \times 22 \times 7\\ = 308cm \\ \\ \\ d) \: r = 28cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 28\\ = 2 \times 22 \times 4 \\ = 176cm[/tex] Reply
Answer
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Answer:
[tex]b) \: r = 35cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 35 \\ = 2 \times 22 \times 5 \\ = 220cm \\ \\ \\ c) \: r = 49cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 49\\ = 2 \times 22 \times 7\\ = 308cm \\ \\ \\ d) \: r = 28cm \\ circumference = 2\pi \: r \\ = 2 \times \frac{22}{7} \times 28\\ = 2 \times 22 \times 4 \\ = 176cm[/tex]