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attashe74 [19]
3 years ago
15

100 POINTS. ASAP. PLS HELP!

Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer:

12.81% im pretty sure my answer is right if not i will help u figure it out

Step-by-step explanation:

IgorC [24]3 years ago
7 0

Answer:

12.81%

Step-by-step explanation:

2600-5500=20500

20500/16=1281.25

1281.25/100= 12.8125

rounded 12.81%

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Based on the information given say whether or not △ABC∼△FED. Explain your reasoning.
GalinKa [24]

Answer:

Yes, △ABC ∼ △FED by AA postulate.

Step-by-step explanation:

Given:

Two triangles ABC and FED.

m∠A = m∠B

m∠C = m∠A + 30°

m∠E = m∠F = x

m∠D = 2x-20°.

Now, let m∠A = m∠B = y

So, m∠C = m∠A + 30° = y+30

Now, sum of all interior angles of a triangle is 180°. Therefore,

m∠A + m∠B +  m∠C = 180

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m∠D+ m∠E + m∠F = 180

2x-20+x+x=180\\4x=180+20\\4x=200\\x=\frac{200}{4}=50

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So, both the triangles have congruent corresponding angle measures.

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m∠C = m∠D = 80°

Therefore, the two triangles are similar by AA postulate.

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3 years ago
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