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Ne4ueva [31]
3 years ago
13

How do you do it? Please help

Mathematics
2 answers:
uysha [10]3 years ago
7 0
Hope it can give u some help

lidiya [134]3 years ago
6 0
Hello

so what we can gather form the diagram given is that all the angles there will add up to 360°.

we can see that they have given one of the angles as 90° as indicated by the little square. so the first step to find x, we need to subtract 90 from 360.
360-90=270

now, we can form an equation to find x. we need to add the other two angles (x, 3x) and then make them equal to 270°.
3x+x=270
add like terms
4x=270
divide by 4
x=67.5°

hope this helps
have a nice day :)
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