Answer:
obtuse, scalene
Step-by-step explanation:
1 obtuse angle makes the triangle obtuse all sides are different so it would be a scalene triangle
X and y are gonna be the variables you will solve when you do it by substitution. x=3 and y=11
Hi there!

Find the perimeter using the formula:
P = 2l + 2w
It is given that the dimensions are 2.8 × 1.9 so plug these number into the equation:
P = 2(2.8) + 2(1.9)
P = 5.6 + 3.8
P = 9.4m
X squared +14=9x
Square both sides and you get
X+14=3x subtract 14 from both sides
Z
X=3x-14 subtract 3x
-2x=-14 divide negative 2
X=7
Answer:
Step-by-step explanation:
3+1/2x=0
1/2x=-3
2(1/2)x=(-3)2
x=|-6|
x=6 km