Question

ろぐちゃん

ラジアンの問題です！至急お願いします。この問題の解き方を教えてください。図解があれば本当に助かります🙇‍♀️

In the sector formed by angle MOP, with O at the center of the circle, the central angle measures 1 radian, and the radius of the sector
measures 8 ft. What is the perimeter of the entire sector? (Hint: don't forget to include the radii as a part of the entire sector!)
Select one:
a. 30 ft.
b.
32 ft.
O C.
114 ft.
O d. 24 ft.

Answer 1

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仙女头子郭德纲

ラジアンの定義を問う問題だね。英語で迷ってくれたいぐらいの難易度だけど