What is the measure of the missing angle x?

C.  60

Step-by-step explanation:

The total degrees in a triangle is 180.  Add up the given angles measures and subtract from 180 to find x.

52 + 68 + x = 180

120 + x = 180

x = 60

Option A is correct.

Step-by-step explanation:

Given:

Number of customers buying carrot = 1800

Number of customer buys organic carrot = 1500

Total number of customer = 2200

We need to find Error percentage in the estimation.

Error Percentage =

                             =

                             = 13.6 %

Therefore, Option A is correct.