Assuming you're talking about a triangle, you have to use the fact that the inner angles of a triangle sum up to 180.
So, you have
Answer:
the answer is C and D because perimeter is the sum of all sides of a figure
Answer:
44/60=11/15
Step-by-step explanation:
10000001. You're so silly! Have a nice weekend!
Answer:
1570
Step-by-step explanation:
1.57 * 10*10*10=1570