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Tpy6a [65]
2 years ago
12

Find the measure of 21. Justify your answer. 75° 2 1 m

Mathematics
2 answers:
OverLord2011 [107]2 years ago
7 0

Lines l and m are parallel. That makes angle 1 and the angle, which measures 75°, corresponding angles. Corresponding angles are congruent. Therefore angle 1 measures 75°.

---

Corresponding angles are angles that are on the same side of the transversal and they are also in the same position (but in different line).

bekas [8.4K]2 years ago
3 0
2 would be 105 and 1 is 75
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write a compound inequality to represent passing grades are greater than or equal to 65 and less than or equal to 100 where x re
balandron [24]
Answer:
65 < or equal to x > or equal to 100

Ps: had to put "or equal to", because I can't put the lines underneath

Anyways, when an inequality says and, it is automatically a compound inequality. The x is in the middle.
8 0
3 years ago
Find m&lt;1<br> A: 69<br> B: 71<br> C: 86<br> D: 111
Studentka2010 [4]
The correct answer is:  [A]:  "69° <span>" .
</span>______________________________________________________
     m∠1 = 69° .
______________________________________________________
Explanation:
_____________________________________________________

180 - (39 + 30) = 180 - 69 = 111.  This is the measurement of the third angle in the triangle.  Note that all angles in a triangle add up to 180° .  All triangles have 3 (three) sides and 3 (three) angles.

To find m∠1 :
_____________________________________________________
The only single angle that exists that is supplementary to ∠1 is 69.

So:   m∠1 = 180 - 111 = 69 .  (Note:  since all angles on a straight line are supplementary angles;  and supplementary angles add up to 180° .
_______________________________________________________
The answer is:  69° .

      m∠1 = 69° .
_______________________________________________________






8 0
4 years ago
Arianna runs up 4 flights of stairs and then runs down 4 flights of stairs.
Cloud [144]

Answer:

Yes this represents additive inverse,

Step-by-step explanation:

Since you are subtracting the same number 4 to get to zero.

5 0
3 years ago
May someone help me with this pls
Zielflug [23.3K]

Answer:

  • PQRS - a parallelogram
  • GHJI - not necessarily
  • RSUT - a parallelogram
  • ABDC - a parallelogram

Step-by-step explanation:

A parallelogram has these characteristics that can be useful for answering this question:

  • opposite sides are the same length
  • opposite sides are parallel
  • the diagonals bisect each other

__

<h3>PQRS</h3>

Opposite sides are the same length: a parallelogram

__

<h3>GHJI</h3>

Two isosceles triangles share a base segment. Not necessarily a parallelogram.

__

<h3>RSUT</h3>

The diagonals bisect each other: a parallelogram

__

<h3>ABDC</h3>

Opposite sides are parallel: a parallelogram. We know BD║AC from the converse of the alternate interior angles theorem. AB and CD are marked parallel.

3 0
2 years ago
HELP ME WITH THIS QUESTION PLEASE!!!!!
Lynna [10]
The image won’t load. can you send me the question through the comments?
7 0
3 years ago
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