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Mathematics 13 Online
OpenStudy (anonymous):

CHECK OUT MY ATTACHMENT

OpenStudy (anonymous):

OpenStudy (anonymous):

what do ?

OpenStudy (anonymous):

I NEED HELP WITH THE QUESTION @ngocthi0101

OpenStudy (anonymous):

i see picture but don't understand question

OpenStudy (anonymous):

Me either...

OpenStudy (anonymous):

translate eng ?

OpenStudy (anonymous):

hey smartguy @Directrix can you help me please

Directrix (directrix):

A diagram with the side lengths is needed. In a single triangle, the largest angle is opposite the longest side, the middle size angle is opposite the middle side in length, and the smallest angle is opposite the smallest side of the triangle. Do not eyeball sizes of angles and sides. Look at the attachment to answer the questions.

Directrix (directrix):

m<3 < m<1 < m<2 because of the sides they are opposite. 14 < 15 < 18 Now, look at angle 4. How does it fit in sizewise with these other three? Again, no eyeballing. Angle 4 is an exterior angle of the triangle. The measure of an exterior angle of a triangle = the sum of the measures of its two remote interior angles. That means m<4 = m<1 + m<2 So,*** m<2 < m<4 and m< 1 < m< 4 *** Now, we will figure where these inequality statement logically fit with the three above. Let's look at them again. m<3 < m<1 < m<2 From above m<2 < m<4 Interlacing the two inequality statements, we have: m<3 < m<1 < m<2 < m< 4 Also, from above: m< 1 < m< 4 We already know m< 1 < m< 4 so it adds nothing new. Of these: m<3 < m<1 < m<2 < m< 4 the second largest is m<2 ---> Option B

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