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soldi70 [24.7K]
3 years ago
9

I need help please I don't understand

Mathematics
2 answers:
goblinko [34]3 years ago
8 0

Answer:

92

Step-by-step explanation:

i will give you process,

x + 48° + 40° = 180° (being angle in a triangle)

or, x + 88° = 180°

or, x = 180° - 88° = 92°

Therefore, x = 92

Copy the same process

igor_vitrenko [27]3 years ago
6 0

Answer:

57.2

Step-by-step explanation:

This is a right triangle so we can use trig ratios.

We are asked to find a side when we know a angle adjacent to that side. And we are given a side opposite of that angle. We can use Tangent to find the side length.

\tan(40)  =  \frac{48}{x}

Take the reciprocal of both sides.

\frac{1}{ \tan( 40) ) }  =  \frac{x}{ 48}

Multiply both sides by 48.

x =  \frac{1}{ \tan(40) }  \times 48

x = 57.2

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