bookgirl19 bookgirl19

02-01-2017
Mathematics

contestada

Classify the triangle based on the side lengths 4.2, 6.4 and 7.6

acute
right
obtuse
no triangle can be formed with those sides.

Respuesta :

cherryapple2000 cherryapple2000

02-01-2017

Right angle
4.2 squared + 6.4 squared = 58.6
Square root of 58.6 = 7.6 so you know the longest side is right
And since you used Pythagoras theorem you know it must be a right angle

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