THEOREM:
- Alternate interior angle —: When two lines are parallel (||) then the Same-side interior angles always add up to 180°.
ANSWER:
By alternate interior angle theorem,
- ∠3 + 90° = 180°
- ∠3 = 180° – 90°
- ∠3 = 90°
Hence, the measure of angle(∠) 3 is 90°.
Answer:
y=-2x-2
Step-by-step explanation:
The total amount of tax on her purchases is $378.47
Answer:
x=3, y=5
Step-by-step explanation:
Answer:
The answer would be D)
Step-by-step explanation:
The angles of a triangle ALWAYS add up to 180. 70+ 70= 140
140+40= 180
