In the figure, AB∥CD. Find x and y.

Question

14-06-2019
Mathematics

contestada

In the figure, AB∥CD. Find x and y.

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smmwaite smmwaite · Answer 1 · 2019-06-14T01:13:38+02:00

smmwaite smmwaite

14-06-2019

Answer:

y=131°

x=53°

Step-by-step explanation:

∠ ABD and ∠ BDC are supplementary.

The sum of the supplementary angles =180 °

thus y-4+x=180...........i

x and 37° are complementary, that is, they add up to 90°

Thus, x=90-37=53°

Using this value in equation 1 we obtain:

y-4°+53° =180°

y= 180°-53°+4°

y=131°

Answer Link

imlittlestar imlittlestar · Answer 2 · 2019-06-14T04:33:56+02:00

Answer:

x = 53°

y = 131°

Step-by-step explanation:

From the figure we can see a right angled triangle.

AB∥CD

To find the value of x and y

Consider the large triangle, by using angle sum property we can write,

90 + 37 + x = 180

127 + x = 180

x = 180 - 127

x = 53°

Since AB∥CD and BD is a traversal on these parallel lines.

Therefore <ABD and < CDB are supplementary

we have x = 53°,

x + (y - 4) = 180

53 + y - 4 = 180

y = 180 - 49 = 131°

y = 131°