2 years ago

What is the value of x

Mathematics

2 answers:

exis [7]2 years ago

8 0

Answer:

$x = 70$

Step-by-step explanation:

$x = 180 - (30 + 80)$

$x = 180 - 110$

$x = 70$

to be sure

$70 + 80 + 30 { = }^{?} 180$

$100 + 80 { = }^{?} 180$

$180 = 180$

aleksley [76]2 years ago

7 0

Answer:

70°

Step-by-step explanation:

All triangles' angles are added up to 180°

30 + 80 + x = 180

110 + x = 180

x = 180 - 110

x = 70

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