The length of an arc of a circle is 7.5 cm. The corresponding sector area is 37.5 cm. Find:
a) the radius of the circle
b) the angle subtended at the centre of the circle by the are
10.63

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step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

1/800 is the right answer

answer: yes, since the line has a steeper rate of change than the exponential the y-values will be greater and they will only intersect one time.