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ericavasquez824
10.06.2021 •
Mathematics
What is the measure of x?
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Ответ:
38
Step-by-step explanation:
x+52=90
x=90-52
x=38
hope it helps
Ответ:
38°
Step-by-step explanation:
90°=52° + x°
x°=90° - 52°
x°=38°
Ответ:
The pair of parallel sides is (RS, TU) and the pairs of perpendicular sides are (RS, ST), (TU, ST).
Step-by-step explanation: Given that RSTU is a quadrilateral, with vertices R(1, -3), S(4, -1), T(2, 2) and U(-4, -2).
We are given to determine the pair of parallel and perpendicular sides, if any, in quadrilateral RSTU.
We know that
two straight line are parallel if their slopes are equal and they are perpendicular if the product of their slopes is -1.
The slope of a straight line having points (a, b) and (c, d) on it is given by
So, the slopes of the sides RS, ST, TU and RS are calculated as follows :
We see that
So, the sides RS and TU are parallel.
And,
So, the sides ST is perpendicular to both RS and TU.
Thus, the pair of parallel sides is (RS, TU) and the pairs of perpendicular sides are (RS, ST), (TU, ST).