Answer:
70
Step-by-step explanation:
Because we know that a triangle always adds up to 180°, and this triangle has 2 congruent sides, it means that the angle of x must be itself multiplied by 2 from the remaining degrees needed to make 180°.
In this case: 2x° + 40° = 180°
x = 70°
345.8
3
-2+1= -1
4-3=1
-3/1= -3
2(lw+lh+wh)
2(lw+lh+wh) using distributive property
C≈18.85 ft
this is the answer I think