Answer:
75?
Step-by-step explanation:
is there more to the question?
You can add them like this:
so if 156 + 213 + 109 was the equation then you would
first put them in order from biggest to smallest
213
156
+109
-----------
then add:
¹ ← ←
213 ↑
156 ↑
+109 ↑
---------↑ ( carry the 10 )
478 (add the ¹ )
then you get the answer 478!
hope that helps :)
I'm pretty sure its 80, if this isnt for school i suggest Calculator Soup's LCM calculator (:
The angle is going to be a 65° angle