Mathematics, 17.06.2020 01:57 jlopez113
A sector of a circle with radius 20 cm has an area of 396 cm^2. Calculate, correct to 1 decimal place, (a) the sectoral angle (b) perimeter of the sector (c) volume of the cone formed when the sector is bent such that its straight edges coincide
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A sector of a circle with radius 20 cm has an area of 396 cm^2. Calculate, correct to 1 decimal plac...
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