# How does the circumference of a circle change when its diameter is tripled?

Triples.

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When the diameter of a circle is tripled, the circumference also triples.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- A chord with a length of #5 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle?
- The area of a regular hexagon is 1500 square centimeters. What is its perimeter? Please show working.
- What is the circumference of a circle with a diameter of 16 in?
- Two corners of an isosceles triangle are at #(8 ,3 )# and #(5 ,9 )#. If the triangle's area is #4 #, what are the lengths of the triangle's sides?
- A cone has a height of #11 cm# and its base has a radius of #5 cm#. If the cone is horizontally cut into two segments #2 cm# from the base, what would the surface area of the bottom segment be?

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