3. Draw any rectangle and find the measures of angles at the four vertices made by the intersecting lines.
We know that the opposite sides of the rectangle are equal and parallel to each other.
Then for two interior angles on the same side of the transversal, we can write :
Also, (Since opposite sides are equal)
Thus
DEAR Friends,
Any rectangle has 4 vertices.
The measure of one angle at One vertice is 90'
The measure of four angles at four vertics is 99*4= 360'
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The total measurement of a rectangle=360°
So the angle measurement will be =90°