10242000cw
09.12.2020 •
Mathematics
Please help me and explain to me!
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Ответ:
Step-by-step explanation:
use phytagoras theorem to find the length of broken post
add the broken post with the standing
= 7 + 12.2
=19.2
Ответ:
23.31 ft
Step-by-step explanation:
Reference angle = 47°
Opp = 25 ft
Adj = x
Apply trigonometry ratio TOA:
Tan 47 = Opp/Adj
Tan 47 = 25/x
x*Tan 47 = 25
x = 25/Tan 47
x = 23.3128772 ≈ 23.31 ft (to 2 d.p)