Answer:
it would be the first answer
Step-by-step explanation:
you can draw the net of the shapes, and count each corner there
Answer:
9, 10, 11, 12, 13
Step-by-step explanation:
(x-2)+(x-1)+x+(x+1)+(x+2) = 55
5x = 55
x = 11
Answer:
40.49cm²
Step-by-step explanation:
I hope it helps
Answer:
3
Step-by-step explanation:
Rise over run
Answer:

Step-by-step explanation:
Use Pythagorean theorem since you have a right triangle
= 
225 = 100 +
so x = 