Let ABCDE be a regular pentagon, assume that each side has length 1. Let F be the intersection point of AD and EC. Using no trigonometry, show that |AF|/|FD| = (1+v 5)/2 %3D

Q: Determine the acute angle, in degree measurement, between the planes 2x+2y-1z = -3 and 5x+3y + 2z =…

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Q: Find the area of the triangle with vertices: Q(-5,-1,-1), R(-6,-4,1), S(-9,-3,2).

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Q: AAOB is placed on a coordinate system so that A = (6, 12), B = (21, 3), and O=(0, 0). A segment, CD,…

A: Step 1:

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A: Solution  a) To determine the angle at corner Q in triangle ΔPQR, we can use the dot product…

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A: The given vectors are

Q: in standard position, and the unit circle. The value of b can be written in t are whole numbers. ues…

A: we will find the required.

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