Find the missing measurement. Round your answer to the nearest tenth. It doesn't say what shape it is (just assume I guess). If you answer for free points, I will report your answer.

h Rounded to the nearest tenth :

Step-by-step explanation:

One way to calculate the area A of the parallelogram is :

A = 13×18

  = 234

another way :

A = 23×h

conclusion :

23×h = 234

then

h = 234/23

  = 234÷23

 =10.173913043478

answer: the value of x is 7cm

step-by-step explanation:

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: