3 over 8 plus 2 over 3 plus 1 over 3 = 11 over 8 or 1.375
Answer:i believe it is the first answer
Step-by-step explanation:
Answer: 102 degrees
Step-by-step explanation:
This is an isosceles triangle because two of the sides are the same length which means that two angles are congruent as well.
180-(2(39))
=180-(78)
=102
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189
False because if the number was positive the opposite of that would be negative