Subtract 7xy (x² - 2xy + 3y²) -8x (x²y - 4xy + 7x y2) from3y(4x²y-5xy +8xy²)
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Given:
The shaded sector above covers of the circle.
Radius of the circle = 3 cm
To find:
The area of the sector in terms of π.
Solution:
The area of a circle is
Substituting , we get
It is given that the shaded sector above covers of the circle.
The area of shaded sector
Therefore, the area of shaded sector is 3π sq. cm.