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7nadin3 [17]
4 years ago
6

Given: What type of angles are ∠2 and ∠3 are adjacent angles.

Mathematics
1 answer:
lubasha [3.4K]4 years ago
5 0
The correct answer is:  [D]:  "<span>supplementary angles, 180° " .
_____________________________________________________
<u>Note:</u>  
</span><span>
Choices:
_____________________________________________________
   [B]:  "complementary angles, 180° " ; and:
_____________________________________________________
   [C]:  "supplementary angles, 90° "  ;  
_____________________________________________________
can automatically be ruled out ; since by definition:

     </span>→  Complementary angles always add up to 90° — NOT 180° ; 
and:   supplementary angles always add up to 180° — NOT 90° .
<span>_____________________________________________________
Note:  "Adjacent angles" refer to "supplementary angles" ; which, by definition add up to 180</span>° .  Futhermore, looking at the image provided,

we see that ∠1 and ∠2 are, in fact "adjacent" and that ∠1 and ∠2 comprise the entire portion of a "straight line" (being intersected by a transversal)" ;  

  and as such;  ∠1 and ∠2 are supplementary angles—
 
  and as such—add up to 180° .

(which rules out:  Choice [A]:  "complementary <span>angles, 90°) ; 

</span>→  <span>and demonstrates the correct answer:
______________________________________________________
Answer choice:  [D]:  "</span><span>supplementary angles, 180°</span><span> " .
</span> <span>______________________________________________________
</span>
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Let x and y be the length and width of the rectangle respectively
2(x+y)=32...(1)
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From (1),we have
2x+2y=32...(3)

By sub.(2) into (3),we have
2(2y-5)+2y=32
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3 years ago
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Hey can you please help me posted picture of question
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We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

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Using the values, we get:
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The perimeter of the rectangle below is 132 units. Find the length of side CD
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The opposite sides of a rectangle will always be congruent. If they aren't, it's not a rectangle.

To find CD, you need to find what z is. This can be found using the given, the perimeter, and plugging that into the perimeter formula using the information given. You end up with 2(4z - 3) + 2(3z - 1) = 132. Solve for z and you find that z = 10.

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3 years ago
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