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# triangle problem

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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

#1
+496
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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
+496
+1

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

SparklingWater2 Apr 19, 2021
#2
+118586
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THX, SparklingWater.......!!!

CPhill  Apr 19, 2021
#3
+1

MA = 1/2[sqrt(52 + 122)]

Apr 19, 2021