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Mathematics 20 Online
OpenStudy (anonymous):

Find the perimeter of the triangle below. Round your solution to the nearest decimal.

OpenStudy (anonymous):

OpenStudy (anonymous):

@mustafa2014

OpenStudy (anonymous):

@amistre64

OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (amistre64):

i assume you can count the legs?

OpenStudy (amistre64):

if anything we can move it to a better position subtract 2 from all ys, and add 3 to all xs

OpenStudy (anonymous):

I don't know how to do this at all.. i missed a week of school...

OpenStudy (anonymous):

@wio

OpenStudy (amistre64):

you count how long the legs of the triangle are. and then use the pythag thrm for the slanted part.

OpenStudy (anonymous):

whats the thrm

OpenStudy (amistre64):

the sum of the square of the legs is equal to the square of the hypotenuse

OpenStudy (anonymous):

@cwrw238

OpenStudy (anonymous):

@KamiBug

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (anonymous):

@HabibElrahman

OpenStudy (anonymous):

@sdhettisarachchi

OpenStudy (anonymous):

@bohotness

OpenStudy (anonymous):

so lostttt

OpenStudy (anonymous):

?

OpenStudy (kamibug):

Count the units to find the length of each leg. Leg AB is 4 units. Leg BC is 6 units. Now you can use the Pythagorean Theorem to find the length of the hypotenuse. a^2 + b^2 = c^2 4^2 + 6^2 = c^2 16 + 36 = c^2 52 = c^2 c = sq.rt. 52 c = approx. 7.21 Now to find the perimeter, add all the sides together! :) 7.21 + 4 +6 = ?

OpenStudy (anonymous):

17.21? THANK U SOOO MUCH @KamiBug

OpenStudy (kamibug):

Correct. My pleasure! :D

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