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If a circle of radius length 4 and an equilateral triangle of side 4 a

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If a circle of radius length 4 and an equilateral triangle of side 4 a  [#permalink]

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New post 18 Sep 2018, 21:57
00:00
A
B
C
D
E

Difficulty:

  85% (hard)

Question Stats:

38% (01:20) correct 63% (01:35) wrong based on 32 sessions

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If a circle of radius length 4 and an equilateral triangle of side 4 are made to overlap as shown, what is the approximate area of the shaded region?


A. 1
B. 2
C. 4
D. 8
E. 16


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image030.jpg
image030.jpg [ 2.27 KiB | Viewed 277 times ]

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If a circle of radius length 4 and an equilateral triangle of side 4 a  [#permalink]

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New post 19 Sep 2018, 07:10
1
The required area is the

area of arc subtending 60 degree at center - area of equilateral triangle.
= (pi*4*4/6) - (3^0.5)*4*4/4
=1.44

So answer is A
GMAT Club Bot
If a circle of radius length 4 and an equilateral triangle of side 4 a &nbs [#permalink] 19 Sep 2018, 07:10
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If a circle of radius length 4 and an equilateral triangle of side 4 a

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