Answer:
you would calculate angles with a protractor by using degrees.
Step-by-step explanation:
the center would be put at one corner and then u measure the side you want to know the angle of. hope this helped.
13 is a prime number because you can't multiply 2 numbers to make 13
Answer: -2
Step-by-step explanation:
Draw out a small graph and count the units of each side, then add all four numbers to get the perimeter.
