Equilateral: all sides are the same length
isosceles: two sides are the same length
obtuse: there is 1 obtuse angle
Answer: 3
Step-by-step explanation: This is because the 2 numbers are opposites, which cancel each other out, going back to zero.
X2-1 I think that's the answer because there's 1 less, 1 take away the x and squared!! hard to explain but that's how I thought about it
Answer:
c = 55
Step-by-step explanation: