atwhitlock5113 atwhitlock5113

13-12-2017
Mathematics

contestada

The second angle of a triangle is twice the first angle. the third angle is 20 degrees more than the first angle. find the first angle

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TheMasterSSA TheMasterSSA

13-12-2017

The first angle would be 40 degrees.

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Kaikerscupcake Kaikerscupcake

13-12-2017

All angles in a triangle add up to 180 degrees. (keep that in mind)

(this took me forever, btw)

The first angle would be 32.

32*2= 64

64+20= 84

32+64+84= 180

The key is to find the range in which the number could be derived from.

I hope this helped!

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