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PS 1000-Section 3 #20

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Re: PS 1000-Section 3 #20

by jayhawk2001 » Mon May 07, 2007 7:43 pm
lavanya_25 wrote:Hi,

Please help me with is problem.....

Thanks!
Lavanya
Area of equilateral triangle = 1/4*sqrt(3)*a^2 = 9/4*sqrt(3)

Triangle ABE is a 30-60-90 triangle with sides in ratio 1:sqrt(3):2
So area of ABE = 1/2*1*sqrt(3)

Area of quad = 9/4*sqrt(3) - 1/2*sqrt(3) = 7/4*sqrt(3)
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by Cybermusings » Tue May 08, 2007 2:27 am
Answer is 7/4* sqr rt 3
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