You need to use your cell phone, which broadcasts an 800 MHz signal, but you're behind two massive, radio-wave-absorbing

[answerhappygod]

You Need To Use Your Cell Phone Which Broadcasts An 800 Mhz Signal But You Re Behind Two Massive Radio Wave Absorbing 1 (24.58 KiB) Viewed 60 times

You Need To Use Your Cell Phone Which Broadcasts An 800 Mhz Signal But You Re Behind Two Massive Radio Wave Absorbing 2 (29.82 KiB) Viewed 60 times

You need to use your cell phone, which broadcasts an 800 MHz signal, but you're behind two massive, radio-wave-absorbing buildings that have only a 20 m space between them.
Part A What is the angular width, in degrees, of the electromagnetic wave after it emerges from between the buildings? Express your answer using two significant figures. View Available Hint(s) VO AXO Δθ = Submit