tommyboy32
tommyboy32 tommyboy32
  • 06-03-2020
  • Mathematics
contestada

What is the greatest possible whole-number value of the congruent side lengths?
9 cm
10 cm
14 cm
15 cm

Respuesta :

Ralph1313 Ralph1313
  • 09-03-2020

Answer:

In an obtuse triangle, the square of the longest side is greater than the sum of squares of the other two sides. So the equal legs must have a length  

L^2 + l^2=2l^2

14^2+14^2=20^

196+196=400

392=400

14cm is the greatest

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