Answer:
Step-by-step explanation:
5^2 + 5^2 = x^2
25 + 25 = x^2
50 = x^2
= x, 5
x = approximately 7.07
Answer:
47
Step-by-step explanation:
All the interior angles of a triangle add up to 180 degrees
Step-by-step explanation:

Answer:
432 square inches
Step-by-step explanation:
thats the area, perimiter is 84 inches
Answer:
The second and fourth one
Step-by-step explanation:
The open circle means more/less than or equal to and the closed circle is only more than or less than and it is greater so it goes right