# Find the area of the major segment APB of a circle of radius 35 cm and ∠AOB = 90°, as shown in the given figure.

Given:

Radius of Circle = 35 cm

AOB = 90°

Area of Sector = × πr2

= × × 35 × 35

= cm2

∆ AOB is right-angled triangle.

Area of ∆ AOB = × OA × OB

= × 35 × 35

= cm2

Now, Area of Minor Segment ACB

= Area of Sector – Area of ∆AOB

= - = = 350 cm2

Area of Circle = πr2

= × 35 × 35

= 22 × 5 × 35

= 3850 cm2

Thus, Area of Major Segment = Area of Circle – Area of Minor Segment = 3850 – 350 = 3500 cm2

Hence, the area of the major segment is 3500 cm2.

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