A triangle has sides with lengths of 5 yards, 12 yards, and 13 yards. Is it a right triangle?

Yes because the hypotenuse would be the longest side (13) and when squared equals 169. now when you square 5 and 12 (25 and 144) and add them, you get the 169, which is 13. so yes it’s a right triangle.

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.