Methanoic acid is normally found in:

Consider the following statements :

$1.$ The sum of any two sides of a triangle is less than twice the median drawn to the third side.

$2.$ The perimeter of a triangle is greater than the sum of the three medians.

Which of the above statements is/are correct?

The diagonal of a square is $12\sqrt{2} cm$ and the area of an equilateral triangle is $64\sqrt{3}$ square $cm$. Which of the following statements is/are correct?

$1.$ The square and the triangle have the same perimeter.

$2.$ Four times the area of the square is equal to $3\sqrt{3}$ times the area of the triangle.

Select the correct answer using the code given below.

$D,E\text{ and} F$ are respectively the mid points of the sides $AB,BC \text{and} CA$, respectively of $\Delta ABC$. Triangle $DEF$ is congruent to which of the following triangles?

$$\begin{gathered} 1. \Delta EDB \\ 2. \Delta FAD \\ 3. \Delta CFE \end{gathered}$$

Select the correct answer using the code given below.