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.
Mathematics
bookgirl19
Question
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.
acute
right
obtuse
no triangle can be formed with those sides.
1 Answer

1. User Answers cherryapple2000
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