Question

(iv)find the area of shaded region of following geometrical figures
35 cm
Centre
24 cm
45 cm​

Answer 1

Answer:

where is figure.

so we can answer

(iv)find the area of shaded region of following geometrical figures

35 cm

Centre

24 cm

45 cm

Answer 2

Answer:

RPQ is right angle at P.

(Angle made in a semicircle right angle)

RQ

2

=RP

2

+PQ

2

Put values of RP and PQ

RQ=25

RQ is diameter of given circle.

Area of shaded region =

2

πr

2

− Area of △RPQ

Area of △RPQ =

2

1

PQ×PR

Put values of PQ and PR

Area of △RQP= 84cm

2

Area of shaded region =

8

π625

−84

=161.3125 cm

2

I hope it's helpful for you