Question

m the distance between 0 and
The radius of the circle is 25 cm. Find the position of A. B and C. if
b. OB is 28 cm
a. OA is 14 cm
c. oC is 25 c​

Answer 1

Answer:

In ΔABC,

Angle in a semicircle, ∠C=90°

Therefore, by Pythagoras theorem

BC² +AC² =AB²

BC²+12²=13²

BC²=169−144=25

BC=5

Area of shaded region = Area of semicircle – Area of triangle

=1/2πr²-1/2bh

=1/2 × 3.14 × (13/2)² - 1/2 × 5 × 12

=3.14×13×13/2×4 - 30

Area of shaded region =36.39 cm².

Answer 2

Answer:

Step-by-step explanation:

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