Answer:
the opposite
Step-by-step explanation:
Answer:
A. 10
Step-by-step explanation:
The perimeter is the sum of all the outside lengths
Therefore, to find the value of x, you must do:
x + x + 5 + x + 7 = 42
3x + 12 = 42
3x = 30
x =10
Answer:
its b
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
there