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In right  triangle ABC, CAB is a right angle. Point M is the midpoint of BC. What is the number of centimeters in the length of median AM? Express your answer as a decimal to the nearest tenth.

 

 Apr 19, 2021

Best Answer 

 #1
avatar+592 
+1

To find the median of a triangle, you use the formula $MA=\dfrac12\sqrt{2CA^2+2BA^2-CB^2}=\dfrac12\sqrt{50+288-169}=\dfrac12\cdot13=\boxed{\dfrac{13}2}$

 Apr 19, 2021
 #1
avatar+592 
+1
Best Answer

To find the median of a triangle, you use the formula $MA=\dfrac12\sqrt{2CA^2+2BA^2-CB^2}=\dfrac12\sqrt{50+288-169}=\dfrac12\cdot13=\boxed{\dfrac{13}2}$

SparklingWater2 Apr 19, 2021
 #2
avatar+129852 
0

THX, SparklingWater.......!!!

 

 

cool cool cool

CPhill  Apr 19, 2021
 #3
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+1

MA = 1/2[sqrt(52 + 122)]

 Apr 19, 2021

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