Answer:
Step-by-step explanation:
Opposite (or in The US, vertical) angles are congruent.
Adjacent ( on the same line) angles are supplementary (that is their sum = 180 degrees).
Answer:
Yes and b = why an no
Step-by-step explanation:
with thing and b
Answer:
7.43
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
3 plus 3 is 6 then divided by 3 is 2
Answer:
10 units
Step-by-step explanation:
We are given that
BD=x+29
AD=x+39
AC=20
BC=x+19
AC=AB+BC
20=AB+x+19
AB=20-x-19=1-x
AD=AB+BD


Substitute the value of x=-9
Then , we get BC=
units
Answer: BC=10 units