If a 750 ml bottle of juice costs £1.90 and a 1 litre bottle of the same juice costs £2.50 then the 750 ml bottle is better valu
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Answer:
Step-by-step explanation:
<h2>Cone:</h2>diameter = 12 cm
r = 12 ÷ 2 = 6 cm
h = 6 cm
To find the surface area, we need to find the slant 'l'
= 3.14 * 6 * (6 + 8.49)
= 3.14 * 6 * 14.49
= 273 cm²