Question

5. A piece of wire of length 24 cm is bent to form the perimeter of sector of a circle of
radius r сm.
Show that the area of sector, A cm2, is given by A = 12r – r2.
(a)
(b)
Express A in the form a – (r – b)2, where a and b are constants.​

Answer 1

Answer:

i think your question is wrong.

you should recheck your question

Explanation: