Arectangular region is removed from another rectangular region to create the shaded region showed below. find the area of the shaded region.

Step-by-step explanation:

We know that the area of a rectangle is given by :-

The dimension of outer rectangle 15 cm by 7 cm

Then , Area of outer rectangle =

The dimension of inner rectangle 13 cm by 5 cm

Then , Area of inner rectangle =

Now, the area of the shaded region will be :-

Hence, the area of the shaded region =

i think the answer is b.

step-by-step explanation:

not 100% sure though.

=

x=0.8898305 is the answer to that equation