Which of the following are true statements.

The lengths 7, 40 and 41 can not be sides of a right triangle. The lengths 12, 16, and 20 can not be sides of a right triangle.

The lengths 7, 40 and 41 can not be sides of a right triangle. The lengths 12, 16, and 20 can be sides of a right triangle.
The lengths 7, 40 and 41 can be sides of a right triangle. The lengths 12, 16, and 20 can not be sides of a right triangle.
The lengths 7, 40 and 41 can be sides of a right triangle. The lengths 12, 16, and 20 can be sides of a right triangle.

Question

Which of the following are true statements.
 	
	The lengths 7, 40 and 41 can not be sides of a right triangle.  The lengths 12, 16, and 20 can not be sides of a right triangle. 

	The lengths 7, 40 and 41 can not be sides of a right triangle.  The lengths 12, 16, and 20 can be sides of a right triangle. 
	The lengths 7, 40 and 41 can be sides of a right triangle.  The lengths 12, 16, and 20 can not be sides of a right triangle. 
	The lengths 7, 40 and 41 can be sides of a right triangle.  The lengths 12, 16, and 20 can be sides of a right triangle.

yanasidlinskiy · Answer

All triangles have to equal 180 degrees. To figure this type of problem, square each number then add them all up. And if they do add up to 180 then this is your answer:)