Atriangle with sides of lengths 32,60 and 68 is a right triangle ?

hmmm let's take a peek at the two small sides, 32 and 60, now the largest side 68, the largest one in a right-triangle is the hypotenuse, and now, let's recall the Pythagorean theorem c² = a² + b², so then, 68² = 32² + 60², let's check if that's is true, if it's, then is a right-triangle.

2,160 π

step-by-step explanation:

answer is  

a.

p = 78

step-by-step explanation: