Answer:
B. 30°
Step-by-step explanation:
By remote interior angle theorem:
100° = x + 70°
100° - 70° = x
30° = x
x = 30°
Last one? I’m not sure but that’s what I would put
X=5
90°-50°=40°
5x+15=40°
5x=25°
x=5
The Colosseum was the emperor's gift to the Romans. Without doubts it was not only an amphitheatre. It became a symbol of power and majesty of the emperor, Rome and Roman society. The construction began in year 71 CE on commission of the new Roman ruler Vespasian.