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beks73 [17]
3 years ago
12

Pls help find x in both

Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0

Answer:

Step-by-step explanation:

In similar triangles, corresponding sides are in same ratio

\frac{28}{24} = \frac{3x-9}{x +8}\\\\\frac{7}{6}=\frac{3x-9}{x+8}\\

Cross multiply,

7*(x + 8) = 6*(3x -9 )

7x + 7*8 = 6*3x - 6*9

7x +  56   = 18x - 54

          56 = 18x - 7x -54

          56 = 11x - 54

         11x - 54 = 56

               11x  = 56 +54

                11x = 110

               x = 110 /11

x = 10

PR = 3x -9

     = 30 - 9

PR = 21

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Answer:

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Step-by-step explanation:

no. of people = x

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A, B & C form the vertices of a triangle.
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Answer:

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Since CAB = 90º, this is a right triangle.

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Length of BC:

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In a right triangle, angle \alpha, it's adjacent side with length s and the hypotenuse h are related by the cosine of the angle, that is:

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