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I am Lyosha [343]
3 years ago
11

In quadrilateral ABCD m < A= 90°

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0

Answer:

<em>m∠B = 170°</em>

Step-by-step explanation:

<em>Sum of all angles in quadrilateral is 360°:</em>

<em>m∠A + m∠B + m∠C + m∠D = 360°</em>

<em>m∠B = 360° - m∠A - m∠C - m∠D</em>

<em>m∠A = 90°</em>

<em>m∠B = m∠D= 50°</em>

<em>m∠B =  360° - 90° - 50° - 50° = 170°</em>

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3 years ago
The sum of a number and 8 is -26
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<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

What equals ?

Step-by-step explanation:

? + 8 = -26

To find the ?, all you have to do is subtract 8 from -26.

-26 - 8     = ?

-26 + (-8) = ?

-34           = ?

<h3>Your answer is -34.</h3>

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3 years ago
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a_sh-v [17]

Answer:

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Step-by-step explanation:

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Hope this helps!

8 0
3 years ago
segment DF is dilated from the origin to create segment D prime F prime at D′ (0, 6) and F′ (4.5, 3). What scale factor was segm
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Answer: 1.5

Step-by-step explanation:

From the attached graph:

D = (0, 4)

F = (3, 2)

After segment DF was dilated from the origin to create segment D'F'

D' = (0, 6)

F' = (4.5, 3)

Scale factor is obtained by calculating the proportion of the coordinates of the two segments. That is ;

Scale factor = value on dilated coordinate / value on original coordinate

Taking the x-coordinate of F and F':

Scale factor = coordinate 'x' of F' / coordinate 'x' of F

Scale factor = 4.5 / 3 = 1.5

Similarly,

Taking the y-coordinate of F and F':

Scale factor = coordinate 'y' of F' / coordinate 'y' of F

Scale factor = 3 / 2 = 1.5

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4 years ago
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