Question

10. A standard stop sign measures 30.00 inches from flat to flat. What is the side length, x, of the stop

sign (to the nearest 0.01 in.)? Justify your answer.

30.00 in

Answer 1

The answer is "12.426 in".

Explanation:

`\to b+2c=30\\\\\to b = 15 * \tan 22.5 \\\\`

`= 15 * 0.414213562\\\\=6.21320343 * 2 \\\\=12.4264069 \ in \\\\`