Ry areas
Question 6 - (5 marks available)
perm
The design is made from two sectors of circles, centre O.
Calculate the perimeter of the shaded part.
Give your answer correct to 3 significant figures.
8 cm
50
4.5 cm
A

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.