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bearhunter [10]
3 years ago
9

A four sided figure with 90° angles and two sets of opposite sides that are parallel and congruent is called a _________________

.
A.parallelogram
B. rectangle
C. quadrilateral
D. square
Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

<em>I</em><em> </em><em>think</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>rectangle</em><em>.</em><em>.</em><em>.</em><em>.</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

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Anna35 [415]

Answer:

50

Step-by-step explanation:

ABCD is quadrilateral. Sum of all the angles in a quadrilateral is 360. This means angle ADC will be 130.

ADE is a straight line. Angle ADC and angle CDE should sum up to 180. From here we can infer that angle CDE=x is 50

6 0
3 years ago
Estimate the question<br><br> 19.9×5.8≈
ankoles [38]

Hello :D

To work this out you need to round the numbers to a whole number.

19.9 = 20

5.8 = 6

20 x 6 ≈ 120

I hope this helps :)

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2 years ago
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Galina-37 [17]

Answer:

x=4

Step-by-step explanation:

Since x+2 is half the size of 3x:

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2x+4=3x

4=3x-2x

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The answer is A. corresponding angles

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3 years ago
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Subtract the polynomials.<br><br> (5x^2 −3x − 2) − (−2x^2 − x + 10)
zhuklara [117]
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3 years ago
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