Which quadrilaterals do you think can be decomposed into two identical triangles using only one line?
1 answer:
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Answer:
Step-by-step explanation:
We want the equation of the line perpendicular to y=-3.
Notice that y=-3 is a horizontal line.
Therefore, in order to be perpendicular, our new equation must be vertical.
We know that it must pass through the point (2, -1).
Since it must be vertical, it must pass through the x-coordinate.
Therefore, our line must be:
It passes through (2, -1) and is a vertical line, so it’s perpendicular to y=-3.