The correct statement among the given statement is:
a. A ten degree angle is congruent to a 10 degree angle.
<u>Congruent angles--</u>
Also, the construction of such a angle is simple with the help of a compass and a straight edge.
Then they add up to 60+60=120 degrees.
and hence options: b and d are incorrect.
Answer:
CT
Step-by-step explanation:
The diameter is the longest possible line through the sphere and passes through the center.