Question

Every morning, Emma goes for a walk with her father in a triangular garden. She walks around the boundary of the garden and completes one round. If the sides of the garden are $2$ km, $1$ km, and $3$ km, Emma walks km every morning.

Answer 1

Total distance covered by Emma = Perimeter of triangular garden
$=$ Sum of all sides length
$=(2+1+3)$ km
$=6$ km
Therefore, Emma walks $6$ km every morning with her father.