# How do you draw an equilateral triangle without a compass?

You cannot avoid using a compass if all you have is a classical straight line ruler without any markings.

In practice, especially if your ruler has markings to measure segments, you can avoid using a compass, but, from a purely theoretical viewpoint, it's not a proper way to address a construction problem.

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To draw an equilateral triangle without a compass, follow these steps:

- Start with a straightedge and draw a line segment of any desired length.
- Using the same straightedge, draw another line segment of the same length, starting from one endpoint of the first line segment and at an angle of 60 degrees to it.
- Repeat step 2 from the other endpoint of the first line segment.
- Connect the endpoints of the two new line segments to form an equilateral triangle.

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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.

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- Why are supplementary angles important?
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- How many right angles does a trapezoid have?
- If two angles are supplementary and one of them is 30°, what is the measurement of the second angle?

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