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shusha [124]
3 years ago
12

Find the values of x and y for the isosceles trapezoid

Mathematics
1 answer:
butalik [34]3 years ago
4 0
<h3>Answer:</h3>
  • x = 15
  • y = 3
<h3>Step-by-step explanation:</h3>

If the trapezoid is isosceles, angles A and C are supplementary, so ...

... (4x+4) +(7x+11) = 180

... 11x +15 = 180 . . . . . . collect terms

... 11x = 165 . . . . . . . . . subtract 15

... x = 15 . . . . . . . . . . . . divide by the coefficient of x

And angles C and E are congruent.

... 4·15 +4 = 21y +1

... 63 = 21y . . . . . subtract 1

... 3 = y . . . . . . . . divide by the coefficient of y

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32 is 40% of 80. 
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here is a list of numbers. 7,12,16,20,27,40,56,64. a work out the difference between the two square numbers in the list. b work
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Answer:

see below

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The equation of the line that is parallel<br> to 4x+2 and passing through (5,15)
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Answer:

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Step-by-step explanation:

slop-interception form of the required line is y=kx+b, where k - slop, b - intercept;

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