Simplify x^4 y^2/x^2 y^6 a) x^6 y^8 b) x^2 y^4 c) x^2/y^4 d) y^4/x^2
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They forget to say "not to scale". I'm guessing this is trig because I don't see another way to do it.
Let's consider x=chord PQ first. By the Law of Cosines
We have an isosceles triangle formed by two radii of 9 cm and x=PQ. By the Law of Cosines again,
The area of the circle is the fraction given by the angle,
Answer: 24.7 sq cm
