Knowing that in the right triangle ABC shown in the picture b = 1 and c = 2, find x.

a) b) c)
d) e)

show the answer

 

In the picture below, ABCD is a rectangle, , and . The length of is:

a) b) c)
d) e)

show the answer

 

The length of the two parallel sides of a right trapezoid are 6 cm and 8 cm, respectively top and bottom bases, and the altitude is 4 cm. The distance between the intersection of the two straight lines that contain the non-parallel legs and the midpoint of the major base is:

a) cmb) cm
c) cmd) cm
e) none of these

show the answer