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Licemer1 [7]
3 years ago
12

a quadrilateral has 2 angles that measure 100 and 60 degrees the other angles have a ratio of 3:17 . what are the measures of th

ose angles?
Mathematics
2 answers:
PtichkaEL [24]3 years ago
7 0

Answer:

30° , 170°

Step-by-step explanation:

Let the remaining two angles be 3x & 17x. As it is a quadrilateral , the sum of all the angles of quadrilateral is 360°. So,

3x + 17x + 60 + 100 = 360

=  > 20x + 160 = 360

=  > 20x = 360 - 160 = 200

=  > x =  \frac{200}{20}  = 10

Putting the value of x , remaining angles are

(3×10 = 30°) & (17×10 = 170°)

Alexandra [31]3 years ago
5 0
<h2>Answer:</h2><h2><em>3</em><em>0</em><em>°</em><em> </em><em>and </em><em>1</em><em>7</em><em>0</em><em>°</em></h2>

Step-by-step explanation:

<h2>the missing angles 3:17</h2><h2><em>3</em><em>x</em><em>+</em><em>1</em><em>7</em><em>x</em><em>+</em><em>6</em><em>0</em><em>+</em><em>1</em><em>0</em><em>0</em><em>=</em><em>3</em><em>6</em><em>0</em><em>°</em></h2><h2><em>2</em><em>0</em><em>x</em><em>+</em><em>1</em><em>6</em><em>0</em><em>=</em><em>3</em><em>6</em><em>0</em><em>°</em></h2><h2><em>2</em><em>0</em><em>x</em><em>=</em><em>3</em><em>6</em><em>0</em><em>-</em><em>1</em><em>6</em><em>0</em></h2><h2><em>2</em><em>0</em><em>x</em><em>=</em><em>2</em><em>0</em><em>0</em><em>°</em></h2><h2><em>div</em><em>ide</em><em> </em><em>bo</em><em>th</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>2</em><em>0</em></h2><h2><em>X=</em><em>1</em><em>0</em></h2><h2><em>subst</em><em>itute</em><em> </em><em>X=</em><em>1</em><em>0</em><em> </em><em>in</em><em> </em><em>3</em><em>x</em><em> </em><em>and</em><em> </em><em>1</em><em>7</em><em>x</em></h2><h2><em>3</em><em>(</em><em>1</em><em>0</em><em>)</em><em>=</em><em>3</em><em>0</em><em>°</em></h2><h2><em>1</em><em>7</em><em>(</em><em>1</em><em>0</em><em>)</em><em>=</em><em>1</em><em>7</em><em>0</em><em>°</em></h2>
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