We cant see the pictures you posted
sorry
Step-by-step explanation:
a. Obtuse Scalene Triangle. It has one angle that is greater than 90 degrees and have two equal sides so it's a obtuse scalene triangle.
b. A triangle interior add up to 180 degrees. We are given the upper angle which is 173. The other two angles must add to 180 but must be equal.




x=173 so



3.5 degrees.
Answer:
11
Step-by-step explanation:
2x + 3
2(4) + 3 .......................replace x with 4
8 + 3
11
Answer:
125 is answer
Step-by-step explanation:
angle sum property
180-70
110/2
55
add the 70+55
125
Alternate Interior Angles are a pair of angles on the inner side of each of those two lines but on opposite sides of the transversal.
1st question
angles 6 and 7
or
angles 2 and 3
2nd question
Angles 3 and 2
or
Angles 5 and 7