Mathematics, 09.10.2019 11:30 heiddy0122
With 25 !
given a∥b , and c is not parallel to a or b, which statements must be true?
select each correct answer.
m∠7=m∠10
m∠4=m∠8
m∠8=m∠9
m∠2=m∠7
2.in this figure, ab∥cd and m∠3=120°.
what is m∠6?
wo supporting reasons are missing from the proof. complete the proof by dragging and dropping the appropriate reasons into each of the empty boxes.
given: m∥nm∠1=120°
prove: m∠6=60°
the figure shows what appear to be parallel lines n and m rising from left to right with line m above line n. line p rises slightly from left to right first intersecting line n, then line m. the angles formed by the intersection of lines p and m are numbered from 1 through 4 in a clockwise direction starting with angle 1 which is located above line m and to the left of line p. the angles formed by the intersection of lines p and n are numbered 5 through 8 in a clockwise direction with angle 5 above line n and to the left of line p.
statements reasons
m∥nm∠1=120° given
∠5≅∠1
m∠5=m∠1 angle congruence postulate
m∠5=120° substitution property of equality
m∠6+m∠5=180°
m∠6+120°=180° substitution property of equality
m∠6=60° subtraction property of equality
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With 25 !
given a∥b , and c is not parallel to a or b, which statements must be true?
...
given a∥b , and c is not parallel to a or b, which statements must be true?
...
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