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Flagpole CD is 12 feet tall. Flagpole AB is 9 feet tall. Both flagpoles are perpendicular to the group. A straight wire is attached from B to D, and another from A to C. The flagpoles are 40 feet, and the wires cross at E, which is directly above point F on the ground. Find EF.

Sagot :

tutorconsortium644

The flagpoles are 40 feet, and the wires cross at E, which is directly above point F on the ground. Then EF is 5.142 feet.

What is the legal height of a flagpole?

The maximum height for flagpoles is twenty (20) feet. (3) When next to or encircled by residential lots, the flagpole may not be erected in any side or rear yard setback.

What is called a right angle?

It is referred to as a right angle if the angle formed by two rays exactly equals 90 degrees, or π/2.

by applying similar triangles on triangles we get the equation on ABC and EFC

40y+9x=360

by applying similar triangles on triangles, we get the equation on DBC and EBF

y=3/10x

x=120/7

putting values in the very first equation we get

y=3/10x(120/7)

y=5.142

EF=5.142 feet.

To learn more about triangles visit link:

https://brainly.com/question/2773823

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