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3 years ago

Which best describes a triangle with side lengths of 6 inches 8 inches and 9 inches?

Mathematics

1 answer:

Kruka [31]3 years ago

3 0

<span>C).a unique triangle

The other 2 don't make sense.
</span>Hope this helps.

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3 years ago

Help urgent calcus question

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Step-by-step explanation:

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3 years ago

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3 years ago

Two isosceles triangles are shown above. If b = 180-4a and a=35, What is the value of c?

Ymorist [56]

Answer:

a=35 given

b=40

c=110

I couldn't complete see c. Please look at the picture to see what I assumed it to be.

Step-by-step explanation:

Hmmm... I guess a and b are not vertical.

We are given b=180-4a and a=35 so b=180-4(35)=180-140=40.

So b=40.

Isosceles triangles always have congruent base angles. So let's call both of the base angles in the bottom triangle x.

That means x+x+40=180.

We need to solve this for x.

Combine like terms:

2x+40=180

Subtract 40 on both sides:

2x=140

Divide both sides by 2:

x=140/2

Simplify:

x=70

So I'm assuming that c and it's adjacent angle are sitting on a straightedge together which means 70+c=180.

70+c=180

Subtract 70 on both sides:

c=180-70

Simplify:

c=110

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3 years ago