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Setler79 [48]
2 years ago
9

Please please please help urgently needed!! ​

Mathematics
1 answer:
andriy [413]2 years ago
3 0

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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