Answer:51.14
Step-by-step explanation:since its an isosceles triangle all interior angles are gonna be equal the exterior angle plus interior angle is will be kept equal to 360
2x+5+5x-3=360
7x+2=360
7x=358
x=51.14
You add all of it up and divide by how many numbers are.... so the answer would be D- 56
Answer: 0.4444444444
Infinite # of 4 so just put a pin over it like this
_
0.4
Let, the side of square = a
perimeter = 4a
two sides would be: a+a = 2a
it's ratio would be 4a/2a = 2
as, the number is not in fraction, so they are proportional
