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Oduvanchick [21]
3 years ago
5

Hep with this Math homework

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0

Answer:

a) 16.7

b) 13.5

Step-by-step explanation:

AC and DE are parallel, so ∠CAB and ∠EDB are corresponding angles, and ∠ACB and ∠DEB are corresponding angles.

Therefore, ΔABC and ΔDBE are similar triangles.  We can use this to write a proportion.

a)

(25 + x) / (18 + 12) = x / 12

12 (25 + x) = x (18 + 12)

300 + 12x = 30x

300 = 18x

x = 16.7

b)

x / (7 + 2) = 3 / 2

x = 13.5

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3 years ago
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