Which transformation will map an isosceles trapezoid onto itself? A. rotation by \( 180^{\circ} \) about its center B. reflection across a diagonal C. reflection across a line joining the midpoints of the nonparallel sides D. rotation by \( 360^{\circ} \) about its center

Вариант 8. № 1. Построить линии, заданные следующими уравнениями: 1) \( x^{2}=1-y^{2} \); 2) \( x=5 ; \) 3) \( 4 y+y^{2}+2 x=0 \) 4) \( y^{2}+4-x^{2}=0 \)

\[ g: \vec{x}=\left(\begin{array}{l}3 \\ 1 \\ 4\end{array}\right)+t\left(\begin{array}{c}2 \\ -7 \\ 5\end{array}\right) \quad h: \vec{x}=\left(\begin{array}{c}5 \\ -6 \\ 9\end{array}\right)+k\left(\begin{array}{l}1 \\ 1 \\ 1\end{array}\right) \] (1) Zeigen Sie, das die Geraden sich schneiden. (2) Geben Sie den Schnittpunkt an. (3) Prüfen Sie, ob sie senkrecht aufeinander stehen. b) Formulieren Sie in mathematischer Schreibweise mithilfe des

Define la diferencia entre un arco mayor y un arco menor en un círculo.

Find the equation of the straight line perpendicular to FG that passes through the mid point of \( F G \). Express your answer in the form \( a x+b y+c=0 \), where \( a, b \) and \( c \) are integers. Give your answer in its simplest form.

The cylindrical sleeve shown above was made according to all the specifications on its drawing. However, it is found to be off- center. What type of geometric tolerance might this part fall outside of?Concentricity Cylindricity Straightness Limit Angularity