07-11-2021
Mathematics

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axelwilliam axelwilliam

07-11-2021

Answer:

Ф = 19.80 °

Step-by-step explanation:

by using pythagoras theorem

h² = p² + b²

13² = 5² + b ²

b = √194

b = 13.93

now

tanФ = p/b

Ф = tan¬1( 5 / 13.93)

Ф = 19.80 °

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