Answer:
90 degrees = right angle. 180 or more = straight angle. 90 degrees or more = obtuse
Step-by-step explanation:
When to lines intersect they create four angles. Each angle is opposite to another and form a pair of what are called opposite angles. Angles a and c are opposite angles. Angles b and d are opposite angles. Opposite angles are equal.
I think 13 is C
71+52= 123
180-123= 57
Its 2.5 percent ladd enjoy
plug in -2 for x
7*-2 -10 = -24
