How can you use the side lengths of a triangle to determine if it is an acute triangle?

1 answer:

8 0

If the sides are close together, its acute.

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My name is Ann [436]

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2 years ago

ipn [44]

The diagonal of a rhombus divides it into two congruent isosceles triangles.

So ∠CBD ≅ ∠CDB

∠CBD + ∠CDB + 68 = 180

2∠CBD = 180 - 68 = 112

∠CBD = 56

We also have

∠BDE + ∠E + ∠DBE = 180

∠DBE = 180 - 73 - 36 = 71

∠EBC = ∠EBD - ∠CBD = 71 - 56 = 15

Answer: ∠EBC = 15 degrees

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rusak2 [61]

it is a right triangle i am positive

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3 years ago

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