3. ABCD is a rhombus and P, Q, R and S are the midpoints of sides AB, BC, CD and DA respectively

Show that quadrilateral PQRS is a rectangle:​

Which statement describes surface features called maria on the moon

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle