Answer:
67 units
Step-by-step explanation:
Perimeter of a shape is the sum of all sides.
Perimeter = a + b + c + d
= x +7 + 2x + 2 + 8x + x +10
= x + 2x + 8x + x +7 + 2 + 10
Combine like terms,
= 12x + 19
Now, substitute x = 4 in the above expression,
= 12*4 + 19
= 48 + 19
= 67
