Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 38A: Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How...
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Question
Transcribed Image Text:25. The radius of ach circle is 4 cm. What is the total area of the 6 identical
circles? (Take ; = 3.14)
Answer:
cm?
26.
Find the (a) perimeter and (b) the area of the two quadrants in the figure below.
(Take T = 3.14)
5 ст
Answer: (a) perimeter
cm
(b) area
cm?
27. The figure shown below is made up of a rectangle and 2 semicircles. If 50%
of the figure is shaded, what is the shaded area? (Take T = 3.14)
20 cm
10 cm
Answer:
cm?
28. The circumference of a circle is 44 cm.
(a) Find its radius.
22
(b) What is the area of the circle? (Take T. =
Answer: (a) radius
cm
(b) area
cm?
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