20 and that should be correct, if you need an explanation just ask
Its B. Huhu you can press the calculator and get the answer:>
Answer:

Step-by-step explanation:
Given expression is,

By using the law of logarithm,



By comparing exponents on both the sides of the equation,


Therefore,
will be the answer.
Answer:
The perimeter is 56 m, and the area is 102 sq. m.