In the figure below, ABCD is a rectangle, EFGH is a square, and `bar(CD)` is a diameter of a semicircle. Point K is the midpoint of `bar(CD)`. Point J is the midpoint of both `bar(AB)` and `bar(EF)`. Points E and F lie on `bar(AB)`. The 3 given lengths are in meters.

What is the length, in meters, of `bar(JD)`?

In the figure below, ABCD is a rectangle, EFGH is a square, and bar(CD) is a diameter of a semicircle. Point K is the midpoint of bar(CD) . Point J is the midpoint of both bar(AB) and bar(EF) . Points E and F lie on bar(AB) . The 3 given lengths are in meters. What is the length, in meters, of are bar(CD) ?

In the figure below, ABCD is a rectangle, EFGH is a square, and bar(CD) is a diameter of a semicircle. Point K is the midpoint of bar(CD) . Point J is the midpoint of both bar(AB) and bar(EF) . Points E and F lie on bar(AB) . The 3 given lengths are in meters. The length of bar(EH) is what precent of the length of bar(AD) ?

In the figure below, ABCD is a rectangle, EFGH is a square, and bar(CD) is a diameter of a semicircle. Point K is the midpoint of bar(CD) . Point J is the midpoint of both bar(AB) and bar(EF) . Points E and F lie on bar(AB) . The 3 given lengths are in meters. The figure will be placed in the standard (x,y) coordinate plane so that K is at the origin , bar(AB) is parallel to the x-axis, and 1 meter equal 1 coordinates unit. Which of the following values could be the y-coordinate of H?

Point A, B, and C all lie on a line. Point D is midpoint of bar(AB) and E is the midpoint of BC, bar(AB)=4 and bar(BC)=10 . Which of the following could be the length of bar(AE) ?

The points P,Q,R and S lie in that order on a straight line . The midpoint of bar(QS) is R and the midpoint of bar (PS) is Q . The length of bar(QR) is x feet and the length of bar (PQ) is 4x-16 feet . What is the length , in feet , of bar(PS) ?

In the figure shown below, E and G lie on bar(AC) , D and F lie on bar(AB), bar(DE) and bar(FG) are parallel to bar(BC) , and the given lengths are in feet. What is the length of bar(AC) , in feet?

In the figure above, ABCD is a square of side 8 cm and bar(PM) bot bar(AB) . Find the length of MC.

The length of bar(WZ) is 3a+15 , and the length of bar(WX) is 7a+5 . If Y is the midpoint of bar(XZ) , what is the length of bar(WY) ?