HS = LS + 42
HS = 438
438 = LS + 42
438 - 42 = LS
396 = LS
A triangle with an angle >90 is an obtuse triangle the other two remaining angles would be acute <90
total degrees must = 180
Answer:
Step-by-step explanation:
an=a1+d(n-1)
an=-2n-1
next term a5=-11
hope helps
I think 55. It can’t be more than a 90 degree angle. And it doesn’t look like it would be 48 either.
