The answer would be a hope it helps
A radius of 0.75 would be rational because the decimal ends and does not repeat itself.
Related angle is 45 degrees, set up a triangle and use exact trig values to solve for x and y, then rationalise the denominators
25 lbs would be greater than 384 oz because 384 divided by 16 (because 16 oz per lb) =24lbs
so 25lbs > 384 oz
The volume-to-surface-area ratio would be better for an ice cube is the highest possible one.
<h3>How to explain the volume?</h3>
When you put ice into your drink, the goal is to have the ice chill your drink. This takes time. Therefore, you would want the ice to slowly melt and cool the drink for as long as you can.
You would want to have the highest possible volume to surface area ratio in an ice cube. If your ice cube is mostly surface area with less volume, it will melt quickly and water down your drink. If your ice cube has a higher ratio of volume to the surface area, it will stay solid longer and chill your drink longer.
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