The figure on the right shows a circle with centre O and radius r cm. The minor sector AOB radians at O. The area of the minor AOB is 48cm². The length of subtends an angle of the minor arc is 12cm. A a) rcm, r = rcm B Determine the value of r.

The figure on the right shows a circle with centre O and radius r cm. The minor sector AOB radians at O. The area of the minor AOB is 48cm². The length of subtends an angle of the minor arc is 12cm. A a) rcm, r = rcm B Determine the value of r.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter6: Circles

Section6.4: Some Constructions And Inequalities For The Circle

Problem 34E: A tangent ET is constructed to circle Q from external point E. Which angle and which side of...

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Question

The figure on the right shows a circle with centre O and radius r cm. The minor sector AOB
radians at O. The area of the minor AOB is 48cm². The length of
subtends an angle of
the minor arc is 12cm.
A
a)
rcm
r =
Ө
rcm
B
Determine the value of r.

b)
Calculate the value of correct to 1 decimal place.
0 =

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