## First angle of a triangle is 20 more than the second angle. The second angle of the triangle is 2 times the 3rd angle. Find all the angles o

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## Answers ( )

Your three angles total 180, right?

s = f + 20

t = 2s = 2(f + 20) = 2f + 40

f + f + 20 + 2f + 40 = 180

4f + 60 = 180

4f + 60 – 60 = 180 – 60

4f = 120

4f/4 = 120/4

f = 30

s = 30 + 20 = 50

t = 2(50) = 100

ʏᴏᴜʀ ᴀɴsᴡᴇʀʜᴏᴘᴇ ɪᴛ ɪs ʜᴇʟᴘғᴜʟ

ᴛʜᴀɴᴋ ʏᴏᴜYour three angles total 180, right?

s = f + 20

t = 2s = 2(f + 20) = 2f + 40

f + f + 20 + 2f + 40 = 180

4f + 60 = 180

4f + 60 – 60 = 180 – 60

4f = 120

4f/4 = 120/4

f = 30

s = 30 + 20 = 50

t = 2(50) = 100

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