Gr10.
Find the area of a sector with a radius of 10 sm and a central angle of 135°. Use π= 3.1415 to approximate your answer
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Gr10.
Find the area of a sector with a radius of 10 sm and a central angle of 135°. Use π= 3.1415 to approximate your answer
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✏️SECTOR
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Problem: Find the area of a sector with a radius of 10 cm and a central angle of 135°. Use π = 3.14 to approximate your answer.
Solution: Find the area by the product of the circle's area and the ratio of the central angle at 360 degrees.
- Let 3.14 be the approximate value of pi.
- Therefore, the Area of a sector is:
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✒️SECTOR AREA
» Find the area of the sector using the formula.
» Let 3.1415 be the approx. value of pi.
The area of the sector is approximately 117.80625 sq. decimeter.
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