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Mkey [24]
2 years ago
6

I need help right away ASAP!!!Please help me please finding the missing angle

Mathematics
2 answers:
german2 years ago
8 0

\\ \sf\longmapsto tan\Theta=\dfrac{P}{B}

\\ \sf\longmapsto tan40=\dfrac{48}{x}

\\ \sf\longmapsto 0.8=\dfrac{48}{x}

\\ \sf\longmapsto 0.8x=48

\\ \sf\longmapsto x=\dfrac{48}{0.8}

\\ \sf\longmapsto x=60

Inessa [10]2 years ago
6 0

Answer:

x = 57.2

Step-by-step explanation:

first : the third angle is (the sum of all angles in a triangle is always 180 degrees) : 180 - 90 - 40 = 50 degrees.

law of sines :

x/sin(50) = 48/sin(40)

x = 48 × (sin(50)/sin(40)) = 57.2

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