I believe you only need to know one angle.
For example, if you know angle 1, you can calculate angle 3. Angle 2 = angle 3 and angle 4 = angle 1.
Also, Angle 5= angle 1 and so on...
D.
a.
b.
hope that helped
Answer:
let these by a guess Luck is luck get it
C
Answer:
Step-by-step explanation:
a) In 1.2 seconds, sound will travel a distance of ...
(1.2 s)(340 m/s) = 408 m
This is the round-trip distance, so the reflecting surface is half that distance away.
The other side of the canyon is 204 m away.
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b) In 5 seconds, the sound will travel a distance of ...
(5 s)(340 m/s) = 1700 m
This is the one-way distance, so the lightning is about 1700 m away.
Answer:
-20
Step-by-step explanation: