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jeyben [28]
3 years ago
6

(Geometry), homework please help

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

4.That first one sounds familiar; I think I did it yesterday.


The sides don't matter (except that they're equal) so the base angle b satisfies


b + b + 38 = 180


2b = 142


b = 71


Choice a




5.


42 + 42 + v = 180


v = 180 - 84 = 96


choice d


6. That's three acute angles, an acute triangle


7. We need to satisfy the triangle inequality which means the sum of the two smaller sides needs to be bigger than the largest


10+15>24 so choice b


8.


SRT = RTS = 180 - STU


3x - 50 = 180 - 7x


10 x = 230


x = 23


choice a



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