every triangle must equal 180 degrees so add the other two angles and subtract by 180 to get that angle
Hope this helps :)
Answer:
Here it is. Hope it helped. Apart from 3, 4 is also a number.
plz mark me as brainliest.
Answer:
http://fumacrom.com/8rEB
Step-by-step explanation:
http://fumacrom.com/8rEB
Answer:
The solutions are
and 
Step-by-step explanation:
we have

Divide by
both sides
------> 
we know that
The formula to solve a quadratic equation of the form
is equal to

in this problem we have

so

substitute





