Question

In the given figure, find the value
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Answer 1

Answer:

Φ = 90° - $sin^(-1) \frac{4}{5}$  = 90° -53° = 37°

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let the unknown value be x

then, 90+x+x=180 .( by the angle sum property of a triangle

90+2x=180

2x=180-90=90

x=90÷2=45

so, the unknown value is = 45