Welcome to Plug in 2 engineering

Linesperson Engineering task

Students are asked to use information presented to them to calculate the total amount of line needed to cover a particular distance over the ground using Pythagoras' Theorem.

After completing this activity students will:

• Understand the need to use approximations in certain calculations.
• Understand how to find the length of the hypotenuse in a right angle triangle.
• Understand the need for regulations for overhead lines.

Answers for Engineering challenge: Linesperson

Note: Students can get help by clicking on  or going to the Help manual.

Step 1:
b= 1.2 m
c = 7.5 m

b² = 56.25
c² = 1.44

a= 7.6

Length of cable between the two poles = 15.2 m

Step 2:
Length of cable needed to complete the job = 1520 m