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emmasim [6.3K]
2 years ago
8

Determine o valor dos termos desconhecidos nos triângulos abaixo: HELPP

Mathematics
1 answer:
myrzilka [38]2 years ago
5 0

Answer:

Option (B)

Step-by-step explanation:

By using the property of a triangle → " Sum of interior angles of a triangle is 180°"

Therefore, (4x - 40) + (x + 20) + x = 180°

(4x + x) + (-40 + 20) = 180°

5x - 20 = 180

5x = 180 + 20

5x = 200

x = 40

Therefore, value of x will be 40.

Option (B) will be the correct option.

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