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OleMash [197]
3 years ago
15

Triangle GHJ has the exterior angles shown below. Triangle G H J. The exterior angles are (9 x + 6) degrees, (10 x + 7) degrees,

(10 x minus 1) degrees. For Triangle G H J, what is the value of x? 2.7 5.8 12 29

Mathematics
2 answers:
Alenkinab [10]3 years ago
7 0

Answer:

b

Step-by-step explanation:

MariettaO [177]3 years ago
3 0

Answer:

b) 5.8

Step-by-step explanation:

<u>Explanation</u>

Given diagram the angles are (9 x + 6)°, (10 x + 7)°, (10 x - 1)°

we know that the sum of the angles of the triangle is equal to 180°

∠A +∠B +∠C = 180°

(9 x + 6)°+(10 x + 7)°+ (10 x - 1)° = 180°

On simplification , we get

29 x + 12 = 180

29 x = 180 -12

29 x = 168

x = 5.79 ≅ 5.8

                     

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