Question

Please help me with this question

Answer 1

Explanation:

To determine length of bottom red line use pythagorean/distance

dbottom =
`\sqrt{8^(2) +10^(2) } = √(164) = 2√(41) or 12.8`

ddiagonal=
`\sqrt{8^(2) +10^(2)+ 6^(2) } = √(200) = 2√(10) or 14.14`