A right triangle has to have 1 90 degree angle
All angles inside a triangle must add up to 180 degrees
90 + 38 = 128
180 - 128 = 52
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Answer:
a
Step-by-step explanation:
Duru’s-1st teacher comment
Oliver’s-3rd teacher comment
Carlos’s-2nd teacher comment
I really hope you get me:)))
Answer:
78°
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you of the relations between angles and sides of a right triangle. In particular, ...
Cos = Adjacent/Hypotenuse
cos(F) = FG/FE = 1.5/7.5 = 0.2
The inverse cosine function is used to find the angle:
∠F = arccos(0.2)
∠F ≈ 78°
