Answer:
use a calculator
Step-by-step explanation:
Answer:
Following are the responses to the given question:
Perimeter of polygon:

Step-by-step explanation:
In this question we calculate the perimeter of a polygon which can be defined as follows:
Using formula:

When vertices are:



Even though a protractor is also used, the best way to meaure an horizontal angle between objects is by means a magnetic compass, used in topography
4 halves if u have one object and you cut it in half you will get two then you do the same to another object so you’ll get 4 :) sorry if I’m wrong
To find the value of x we need to use the INVERSE OPERATION of addition which is subtraction. Then we will check our work. lets do it:-
x + 19 = 13
x = ?
13 - 19 = x
<span>13 - 19 = -6</span>
x = - 6
CHECK OUR WORK:-
x + 19 = 13
x = -6
-6 + 19 = 13
We were RIGHT!!
So, x = -6
Hope I helped ya!! xD