SOLUTION: Triangle ABC is an equilateral triangle.
AD=10
What is the length of CD? Give your answer to the nearest whole number.
(LINK IS TO DIAGRAM OF TRIANGLE)
http://www.mrlarkins.
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Triangles
-> SOLUTION: Triangle ABC is an equilateral triangle.
AD=10
What is the length of CD? Give your answer to the nearest whole number.
(LINK IS TO DIAGRAM OF TRIANGLE)
http://www.mrlarkins.
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Question 472293: Triangle ABC is an equilateral triangle.
AD=10
What is the length of CD? Give your answer to the nearest whole number.
(LINK IS TO DIAGRAM OF TRIANGLE)
http://www.mrlarkins.com/geometry/InteractiveTextbook/Ch08/08-04/images/Ch08_Sec04_im009.gif
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Length of DB= 10
length of CB = 20
using Pythagoras theorem ...
CD = sqrt(20^2 - 10^2)
= sqrt (300)
= 10 (root 3)
= 17.32 (approx)
