Determine how many pairs of perpendicular lines are shown in the diagram?
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Determine how many pairs of perpendicular lines are shown in the diagram?
Perpendicular lines are lines that form a right angle of 90 degrees between them.
Our right angles are:
The lines that form angle BAE are: BA+AE
The lines that form angle DEA are: DE+EA
Since in the drawing we have 2 angles of 90 degrees marked, we must have 2 pairs of perpendicular lines.
2
What do the four figures below have in common?
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