CBSE Class 10 Maths (Basic) 2023 · Paper 430/5/1 · Question 33(a)

Areas Related to Circles 5 marks Hard

In the given figure,

A B

is a chord of a circle of radius 7 cm and centred at

O

. Find the area of the shaded region if

∠ A O B = 9 0^{\circ}

. Also, find length of minor arc

A B

(Use π = \frac{22}{7})

Circle of radius 7 cm with chord AB subtending 90 degrees at centre; minor segment shaded

Answer

Shaded area

= 14

^{2}

and minor arc

A B = 11

cm.

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