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Help solve a math problem that requires two in senior one.
ABCD is a rectangle. If E is passed, EG is perpendicular to AB, the vertical foot is G, and EG=AD= 1.

The area of the triangle BAE = ab * eg *1/2 = √ 3 *1*1/2 = (√ 3)/2.

ABCD is rectangular, and PA is perpendicular to the plane ABCD.

E-PAB = BAE *PA* 1/3.

=(√3)/2 * 1* 1/3

=(√3)/6