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Mathematics 11 Online
OpenStudy (anonymous):

What is the value of w?

OpenStudy (j2lie):

what do you mean by the value of w?

OpenStudy (anonymous):

OpenStudy (j2lie):

the w is 70 degrees.

OpenStudy (anonymous):

How did you get it?

OpenStudy (j2lie):

it's 60 degrees I miscalculated.

OpenStudy (j2lie):

I don't know how to explain it.

OpenStudy (j2lie):

@Mertsj can you help me with this?

OpenStudy (anonymous):

Could you atleast show me your steps?

OpenStudy (j2lie):

there is a box that means it's a right triangle. I think it's 90 degrees.

OpenStudy (mertsj):

This problem is trying to teach you the relationship between the sides of the special right triangle, the 30-60-90 triangle. Here is the relationship: The long leg is the short leg multiplied by sqrt3 The hypotenuse is the short leg multiplied by 2 In your problem you are given the long leg. You should divide the long leg by sqrt3 to get the short leg Then you should multiply the short leg by 2 to get the hypotenuse.

OpenStudy (j2lie):

I thought the hypotenuse is the longest one.

OpenStudy (mertsj):

That is correct.

OpenStudy (anonymous):

Could you help me solve it?

OpenStudy (mertsj):

So in this problem, the short leg is: \[\frac{7\sqrt{3}}{\sqrt{3}}=7\]

OpenStudy (mertsj):

That is long leg divided by sqrt 3

OpenStudy (mertsj):

You should not multiply the short leg by 2 to get w which is the hypotenuse.

OpenStudy (j2lie):

with do you do with the box?

OpenStudy (mertsj):

I don't see a box. What do you mean?

OpenStudy (anonymous):

Could you guys help me with another one, on a new thread im going to post it?

OpenStudy (j2lie):

A box on the corner of the triangle. It's a right triangle.

OpenStudy (mertsj):

That is there to tell you that the angle is a right angle.

OpenStudy (j2lie):

I thought you have to find the degrees of the hypotenuse.

OpenStudy (mertsj):

The hypotenuse is a line segment. Therefore it is not measured in degrees. Angles and arcs are measured with degrees.

OpenStudy (anonymous):

Can you guys help me with the question I posted?

OpenStudy (mertsj):

I don't see it.

OpenStudy (j2lie):

What is arcs? Are those the half circle lines?

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