Here’s the shaded part

about 31

Step-by-step explanation:

31 in² A

Step-by-step explanation:

Area of a circle is A= πr²

if it fits in 12 inch sides, 12 i the diameter and 6 is the radius

A= 3.14(6)²

A= 113 in²

Area of a square is A= bh

A= 12(12)

A= 144 in²

Subtract the circle from the square:

144 - 113 = 31 in²

the answer

b. they are parallel and will never intersect.

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6