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Mathematics 10 Online
OpenStudy (anonymous):

Find the value for each variables. Medals

OpenStudy (anonymous):

OpenStudy (anonymous):

@stamp

OpenStudy (cggurumanjunath):

|dw:1421181587997:dw|

OpenStudy (cggurumanjunath):

alternate interior angle !

OpenStudy (stamp):

b is 40, as CGG mentioned. Not sure what we can use to find any of the other letter angles.

OpenStudy (anonymous):

So c would be 45?

OpenStudy (stamp):

If we can find any of the others , we will be able to tie the knot on this one nicely.

OpenStudy (anonymous):

oops i meant 40

OpenStudy (anonymous):

Would c= 40 too?

OpenStudy (stamp):

I honestly do not know.

OpenStudy (stamp):

I imagine there is some way to use our measure for b to find the measure of a.

OpenStudy (anonymous):

Well its the same measure as B. And if we did 180-40-40=100. Which could be D?

OpenStudy (stamp):

How do we know they share the same measure? They are not labeled congruent.

OpenStudy (anonymous):

it looks like an isosceles triangle

OpenStudy (anonymous):

@I_love_Doctorwho!23

OpenStudy (anonymous):

14.okay so the triangles are the same. d=20 b=10 c=10

OpenStudy (anonymous):

It is an isosceles triangle. Two of the sides that make up the triangle are radiuses on the circle.

OpenStudy (anonymous):

The triangles are the same.

OpenStudy (anonymous):

In # 16 a triangle equals 180 degrees. so 59+72+b=180

OpenStudy (anonymous):

The sum of angles in a triangle is 180 degrees.

OpenStudy (anonymous):

56+72=131 180-131=49 b=49

OpenStudy (anonymous):

I know that, but i dont understand what you're doing @I_love_Doctorwho!23

OpenStudy (anonymous):

for number 14?

OpenStudy (anonymous):

for # 14 the answer is d=20 b=10 c=10 for # 16 the answer is b= 49

OpenStudy (anonymous):

B=40 though? and what about a for 14 and A,C,D for 16?

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