it had to be b cuz now all quadrilateral have straight sides
Answer:
67+65+x=180
CBW=48 degrees
Step-by-step explanation:
Do you know that a straight line is 180 degrees. I recommend you to actually try on these questions. It will be a slower process if you just post questions on brainly.
Perimeter is all sides added<span />
Answer: 9
Step-by-step explanation:
When you multiply 9*9, you get 81 whose sum is 9 (8+1)
Likewise, 9*8=72( 7+2=9)
Multiply by two
2/5 x 2/1 = 4/5