cristinanina
20.08.2019 •
Mathematics
Kevin claims he can draw a trapezoid with three right angles. is this possible? explain.
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Ответ:
Assume that the figure is a trapezoid.
All trapezoids are quadrilaterals.
All quadrilaterals' interior angles add up to 360° because any n-gon's interior angles add up to 180(n-2)°.
We are given that the trapezoid has three right angles.
All right angles are 90°, thus these right angles have a total measure of 270°.
We can conclude fourth angle must be 90°.
If it has four right angles, it is a rectangle.
Rectangles have two sets of parallel sides.
However, trapezoids have exactly one set of parallel sides.
Alas, our figure cannot be a trapezoid.
Ответ:
sorry i relly dont know i wish i couls help but you can write the porblem on this link and it might help
Step-by-step explanation:
https://www.mathpapa.com/algebra-calculator.html