4 years ago

Help with question 9 I don't get it

Mathematics

2 answers:

Alik [6]4 years ago

5 0

I think that x may equal to -3. Because the sum of a triangle is always 180. 55+54=109 and 180-109=71 and -3+74=71

Margarita [4]4 years ago

5 0

Instead of = 360 it should be 180

X+183=180
X= -3

X is -3 that does not make the angle negative 3X -3+74 which is 71 for the angle but it is equal to -3
If you add 55+54+71= 180

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