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Kaylis [27]
3 years ago
13

Which triangle has all three angle measuring less than 90°

Mathematics
1 answer:
seropon [69]3 years ago
4 0
Acute triangle because all the angles are less than 90
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Find the value of x
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Answer:

x = 40

Step-by-step explanation:

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x + 30 + (3x-10) = 180

Combine like terms

4x +20 = 180

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4x+20-20 = 180-20

4x= 160

Divide each side by 4

4x/4 =160/4

x = 40

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