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Romashka [77]
3 years ago
5

The area of this circle is 72π m².

Mathematics
2 answers:
Nitella [24]3 years ago
8 0
The area of the sector will be 9π <span>m².

We know, area of circle is given as </span>πr², where r is the radius of the circle.
Here Area of circle,C = <span>72π m²
</span>
Area of a sector that subtends an angle 45°<span> at the center (the area shaded in yellow color) is given as:

    A = 72</span>\pi    m^{2}×\frac{45}{360}
⇒ A = 45× \frac{1}{5}π m².
⇒ A = 9π m².

Troyanec [42]3 years ago
4 0
The answer is 1/8 of the total circle area or 9 pi m2
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