Answer:
the temperature rose by 34*F
Step-by-step explanation:
-13*F + 34 = 21*F
True.
The angles must be equal. If the angles are not equal they can not be similar.
Answer:
Not congruent.
Step-by-step explanation:
They are not congruent because the first one has ASA and the second one is AAS.
Step-by-step explanation:
By Exterior Angle Theorem,
81° + b = 117°.
=> b = 117° - 81° = 36°.