Answer:
Yes.
Step-by-step explanation:
Yes they are because that is the definition of congruency.
Answer:
Sarkis cannot draw a triangle with these side lengths.
Step-by-step explanation:
Sarkis cannot draw a triangle with these side lengths.
Answer:
Step-by-step explanation:
Angle C and angle with 120 degrees measure are alternate and their measurement is equal so C = 120
angle C and angle B are supplementary and so their sum is equal to 180
B = 180 - 120
B = 60
angle D and angle B are also alternate so their measure is also equal to each other therefore
D = 60
There will be eight marbles on the 9th line