13. Is 18
15. Is 86
17 is 5
19 is 15
21 is 24
23 is 29
Any transformation involving change of scale will not result in a congruent figure. Rotations and reflections and translations maintain congruence.
Answer:
you given me only 25 point
From the figure. a and b are equal because the lines are parallel. The jargon is alternate interior angles are equal.
The two remote interior angles are equal to the exterior angle. That interprets to
b + 2a = 84o But b = a
a + 2a = 84o
3a = 84
a = 84/3
a = 28 <<<< answer
b = 28 <<<< answer
2a = 56 <<<< answer.
Um 3 times 3/8 = 1.125
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