Rhombus JKLM is shown below.
Find mZKLM.
(9x - 11)
(5x + 3)"
M
L

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.