Mathematics · Mensuration
The radius of a circular sector is equal to the side of a square whose perimeter is 56 m. The central angle of the sector is 45°. Find the area of the sector and the length of its arc, respectively. (Take π = 227)
- 11232 m2 and 21 m
- 277 m2 and 11 m✓
- 385 m2 and 13 m
- 468 m2 and 15 m
Correct answer
77 m2 and 11 m
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