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Mathematics 8 Online
Nicole:

http://prntscr.com/q5a3d8

Nicole:

@Hero

Hero:

Last one

Nicole:

I thought it was the second one

Hero:

Can you show the work you did to arrive at that result? Use the draw feature preferably.

Nicole:

since MP is 70, PR is 85, and MR is 60 oh wait im wrong

Hero:

Yep that is wrong. The values represent the measure of angles not the measure of sides.

Nicole:

so how do we find out the measure of the sides?

Hero:

Well, you don't really find the measure of the sides. You find the measure of the angles then you apply the principle regarding the relationship between sides and angles. The side opposite the largest angles will be the longest side. The side opposite the shortest angle will be the shortest side. You will use that principle to determine the order of the sides.

Nicole:

Which makes the correct option the last option

Hero:

How do you figure?

Hero:

What work have you done to determine that?

Nicole:

since MR is the longest opposite to PR which is the second longest, which then makes MP the shortest

Hero:

Have you found the measure of the angles first?

Hero:

|dw:1575326862250:dw|

Nicole:

No I didnt do that I just figured I'd do the easier way

Hero:

|dw:1575326878637:dw| You have to find the measure of those angles first

Hero:

There's no easier way

Nicole:

okay and please remind me on how I can find the measure of angles

Hero:

Well the sum of the R angles add up to 180 degrees.

Hero:

R = 60 + 85 + x = 180

Nicole:

x is 35

Hero:

Okay that's the measure of one of the angles of RMP. Now you can find the measure of the other angle.

Hero:

|dw:1575327414790:dw|

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