All the sides are 20 cm resulting in the perimeter being 80
Answer:

Step-by-step explanation:
we know that
The sum of the interior angles in any triangle must be equal to 180 degrees
so

substitute the given values

solve for x


Find the angle measurements



Answer:
Answer D
Step-by-step explanation:
Answer:
chances are 10.5
Step-by-step explanation:
Less than $3 because 25/7/2