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Vikki [24]
3 years ago
10

which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle?

Mathematics
1 answer:
sdas [7]3 years ago
6 0

Answer:

Obtuse triangle.

Step-by-step explanation:

Side a = 5

Side b = 2

Side c = 4

Angle ∠A = 108.21° = 108°12'36" = 1.88862 rad

Angle ∠B = 22.332° = 22°19'54" = 0.38976 rad

Angle ∠C = 49.458° = 49°27'30" = 0.86321 rad

Since one angle is above 90 degrees, the triangle is obtuse triangle.

This cannot be an acute triangle.

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option B is the correct answer friend.

it is distributive property

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maksim [4K]

Answer:

Step-by-step explanation:

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2 years ago
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How do you solve this step by step?
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Answer:

-2/9

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then multiply both sides of the equation by 5: 2x-4=20x

next move the constant to the right side and chnage the sign: 2x=20x+4

then combine like terms: -18x=4

after that divide both sides of the equation by -18: -2/9

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