Answer:
As law of sin:
CD/sinE = DE/sinC
Then
12/sin83 = 5/sinC
Then
sinC = 5*sin83/12 = 0.413
Then
C = arcsin(0.413) = ~24.4 deg
Then
D = 180-C-E = 180-83-24.4 = ~72.6
Hope this help, bro!
Answer:
C and B
Step-by-step explanation:
The correct option is option B and C. The necessary condition to prove that the opposite angles of a parallelogram are congruent:
C. Angle Addition Postulate.
B. Opposite sides are congruent
It equals 6 just put it like this: 6/1 nd then divide
Answer:
503.8
Step-by-step explanation:
Since in the hundredth place you have a number higher than 5, we want to round the tenth digit up by one to get 503.8.