3 years ago

If we are given the value of α. How can we find the value of β?

Mathematics

1 answer:

Cloud [144]3 years ago

4 0

Answer:

β = 140 - α

we know that the "missing" angle is 40° since 40 + 140 = 180

we also know that the total sum of angles in a triangle is 180

so β = 180 - 40 - α

or β = 140 - α

Step-by-step explanation:

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