Answer:
I found a pdf that has the lesson overview I just searched up:
Geometry 1e elayn martin gay section 4.1 types of triangles answer sheet
Hey there!
y-12=20
Add 12 to both sides. (do the inverse of subtraction, which is addition)
y=32
Check answer.
32-12=20 <=== checks out :)
I hope this helps!
~kaikers
The calculations are incorrect because the angles in a parallelogram are either:
The same
or complimentary (add up to 180)
Neither case is true here so the calculations are incorrect.
B. 0.6 seconds
Because they want you to round to the nearest 10th and 0 is the ground.
