Question

1 ) What is the area of shaded portion. Whose square size 300mm?
| ३०० मि.मी. बाजू असलेल्या चौरसमधील रेखांकित भागाचे क्षेत्रफळ किती?
P200
100​

Answer 1

Step-by-step explanation:

Area of square = 21

2

=441

Area of sector ABC =

360

θ

πr

2

radius = 10.5 cm =

360

90

×π×(10.5)

2

=86.590

Area of all 4 sectors = 86.59×4=346.36

Area of shaded region =A(square)− Total area of sectors

=441−346.36

=94.64cm

2