If two figures are congruent, their area are equal. the area if abcd equals the area if pqrs

Yes

Step-by-step explanation:

Since the sides are each congruent then ABCD and PQRS are the exact same shape and size. This means the area inside each figure will be the same amount. The areas are the same.

20.56 units.

Step-by-step explanation:

Perimeter of the shaded region is the sum of all straight sides and all 4 arcs.

Perimeter of 4 straight sides

Perimeter of a arc

Perimeter of 4 arcs

Here, r is the radius. So,

Perimeter of 4 arcs

Perimeter of the shaded region = Perimeter of all straight sides + Perimeter of all 4 arcs

Therefore, the perimeter of the shaded region is 20.56 units.