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In the parallelogram below, solve for x and y.
I have y but i can’t figure out x

In the parallelogram below, solve for x and y. I have y but i can’t figure out x-example-1
User Ezzored
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1 Answer

23 votes
23 votes

Explanation:

how did you get y, when you don't know how to get x ?

the easiest way to solve this is to base on the fact that the opposite angles must be identical.

so,

2x + 32 = 4x - 12

32 = 2x - 12

44 = 2x

x = 22

and the to be sure

-8y - 14 = -5y + 4

-3y = 18

y = -18/3 = -6

or, the sum of 2 consecutive angles must be 180°.

2x + 32 - 5y + 4 = 180

2x - 5y + 36 = 180

2x - 5y = 144

-8y - 14 + 4x - 12 = 180

-8y + 4x = 206

-4y + 2x = 103

-5y + 2x = 144

- -4y + 2x = 103

------------------------

- y 0 = 41

y = -41

-4×-41 + 2x = 103

164 + 2x = 103

2x = -61

x = -30.5

ha, your teacher either set a trap or made a mistake.

these given angles do not belong to a parallelogram.

there is no solution for x and y with these angle expressions to create a parallelogram.

every condition that has to be true creates a different and inconsistent set of solutions (and implausible ones at that creating single angles larger than 200° and even 300°, or smaller than 0°).

User Ruthless
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