180 degrees= a whole line
180-102=78
So m13 should equal 78°
Answer:
say less
Step-by-step explanation:
(c/ b * 0) is just (c/0) and you cannot divide by 0
Answer:
no
Step-by-step explanation:
You add of the sides to get the perimeter.. 9 plus 9 is 18 and 5 plus 5 is 10. 10 plus 18 of 28. The perimeter of ABCD is 28.
I hope this helps.