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Maths Puzzle
Numerical Ability
Find the area of a segment of a circle whose diameter is 9 inches, if the segment has a central angle of pie/3 radians.
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book Other Question
The diagonal of a rectangle is 10 inches and the area is 45 square inches. Find the dimension of the rectangle, correct to one decimal place.
greatest common factor of these numbers
6A 2B 9AB 2 15 a^2 B^2