# Math mensuration

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#1
The length of the minor arc AB of a circle,centre O,is 2 pi cm and the length of the major arc is 22 pi cm.
Find:
b) acute angle of the circle
0
2 years ago
#2
(Original post by 8thofMarch)
The length of the minor arc AB of a circle,centre O,is 2 pi cm.
Find:
b) acute angle of the circle
How far have you got?
0
#3
(Original post by Muttley79)
How far have you got?
Well I don't know how to do it,I only know the formula
0
2 years ago
#4
(Original post by 8thofMarch)
Well I don't know how to do it,I only know the formula
You've added a bit to the question now!

What is the circumference of the circle and how does it relate to the radius?
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#5
Um circumference is pi multiply d so......22 pi over 2?
0
2 years ago
#6
(Original post by 8thofMarch)
Um circumference is pi multiply d so......22 pi over 2?
Is the circumference of the whole circle 22 pi?
0
#7
Yes?
0
2 years ago
#8
(Original post by 8thofMarch)
Yes?
That's only the major arc - so the whole circumference is?
0
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