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Match the formula to its use in proving properties of quadrilaterals

midpoint formula
distance formula
slope formula (if opposite reciprocals)
slope formula (if they are equal)
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Match the formula to its use in proving properties of quadrilaterals midpoint formula-example-1
User Proppy
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The formula for proving the properties of quadrilaterals are: 1. Midpoint formula:
M = \left( \frac{{x_1 + x_2}}{2}, \frac{{y_1 + y_2}}{2} \right). 2. Distance formula:
d = \sqrt{{(x_2 - x_1)^2 + (y_2 - y_1)^2}}. 3.
m_2 =
-(1)/(m_1); 4.
m_1 = m_2.

What are the formula used in proving the properties of quadrilaterals?

The properties that is used in proving the properties of a quadrilateral include the following as explained below:

Midpoint formula, which is given as:
M = \left( \frac{{x_1 + x_2}}{2}, \frac{{y_1 + y_2}}{2} \right).

Distance formula, which is given as:
d = \sqrt{{(x_2 - x_1)^2 + (y_2 - y_1)^2}}.

If opposite reciprocals, then the slope formula to use is:
m_2 =
-(1)/(m_1), where
m_1 and
m_2 are the slopes of the two lines.

Where they are equal, the slope formula to use would be:
m_1 = m_2.

User Eddie Yang
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