You can find the slope using the following formula:
Answer: centroid
Reasoning: The centroid is the point of concurrency of the three medians in a triangle.
Your fraction that is equal to 3/12 is 1/4
Answer:
A&B
Step-by-step explanation:
Step-by-step explanation:
(n-2)×180=3420
180n-360=3420
180n=3420+360
180n=3780
n=3780/180
n=21
that is, the number of sides is 21
to get the size of each exterior angle=
360/21
=17.14°