Answer:
B. 103°
Step-by-step explanation:
Supplementary angles add up to 180°, so we can find the measure of angle 2 by subtracting 77 from 180
180 - 77
= 103
So, m∠2 is 103°
AA , BB , and CC are parallel to MN.
So you're combining equations correct?
Answer:
the height of a square pyramid is 139.3 cm