In quadrilateral ABCD angles ABC and ADC are 90 degrees, sides AB and BC are equal, and the distance
September 7, 2021 | education
| In quadrilateral ABCD angles ABC and ADC are 90 degrees, sides AB and BC are equal, and the distance from point B to side AD is 10. Find the area of this quadrilateral.
To complete this task, you need to find the area of the figure;
Let’s consider this condition and analyze it;
By the terms of the assignment, we know that the two sides are equal AB = BC and the angles ABC = ADC = 90 °;
It is also known that the side AB = 10 cm;
Let’s analyze this construction;
Since two opposite angles are equal to ninety degrees, then the opposite sides are parallel, which means this figure is a rectangle.
Since the two adjacent sides are equal, the rectangle is a square;
It follows that all sides are equal and have a value of 10cm;
S = 102 = 100cm2.
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