Question

In the figure below, the square ABCD is
made up of two parts, X and Y. The part X,
is formed by a semicircle and the line AB,
The perimeter of X is 36 cm and the
perimeter of the shaded part Y, is 64 cm.
8
(a) Find the perimeter of the aqua e ABCD.
(b) Find the area of the shaded pan Y.
a-58cm, b-129cm2
a-56 cm, b-129cm?
b
-b
a-58cm, b-119cm2
a-56cm, b-119cm2​

Answer 1

Step-by-step explanation:

R.E.F image

ABCD square

area of ABCD =(21)

2

=441cm

2

area of semi circle =

2

π

(

2

21

)

2

=

2×4

π×441

=

11

22

×

2×4

441

=11×

4

63

area of remaining portion :

=441−2(11×