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Sagot :
The area of the sector to 3 significant figure is 1480cm²
Area of a sector.
The formula for calculating the area of a sector is expressed as
A= r²β/2
where;
r is the radius. = 45cm
β is the central angle =84 degrees
Substitute
A = (45)²(84π)/360
A = 1483.65cm²
Hence the area of the sector to 3 significant figure is 1480cm²
learn more on area of sector here: https://brainly.com/question/22761976
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