Answer:
Step-by-step explanation:
Given the expression
solving the expression
so the expression becomes
Thus,
68%
Hope it helps
Scales-No equal sides
Isosceles- 2 Equal
Equilateral-
Right-90 degree
Obtuse- Obtuse Angle
I guess the angles are supplementary, which means they have a sum of 180º.
11x - 15 + 5x - 13 = 180
16x -28 = 180
16x = 208
x = 13
A