Respuesta :

we know that
[the area of composite figure]=[area of rectangle]+[area of a half circle]

[area of rectangle]=b*h
where
b=the base
h=the height 
[area of rectangle]=b*h--------> 4.1*8.6---------> 35.26 cm²

[area of a circle]=pi*r²
where 
r=the radius
r=4.1/2-------> 2.05 cm
the figure is a half circle
then 
[area of a half circle]=pi*r²/2--------> pi*2.05²/2--------> 6.60 cm²

[the area of composite figure]=35.26+6.60--------> 41.86 cm²

the answer is
41.86 cm² 

The area of the composite figure is 41.86 square inches option (c) is correct.

It is given that in the figure the composite figure is made up of a half circle and a rectangle.

It is required to find the area of the composite figure.

What is the area of the rectangle?

It is defined as the space occupied by the rectangle which is planner 2-dimensional geometry.

The formula for finding the area of a rectangle is given by:

Area of rectangle = length × width

Length of the rectangle = 8.6 cm

Width of the rectangle = 4.1 cm

Area of rectangle = 8.6×4.1 ⇒ 35.26 square cm

For the area of the half-circle:

Diameter of the circle = 4.1 cm

The radius of the circle = 4.1/2 ⇒ 2.05 cm

The half-circle area = [tex]\rm \frac{1}{2} \pi r ^2[/tex]

Where r is the radius of the circle.

The half-circle area = [tex]\rm \frac{1}{2} \pi (2.05)r ^2[/tex]   (r = 2.05 cm)

The half-circle area = 6.601 square cm

The area of the composite figure = Area of rectangle +half-circle area

= 35.26 +6.601

= 41.86 square inches

Thus, the area of the composite figure is 41.86 square inches.

Learn more about the area here:

brainly.com/question/14383947