Question

In figure below, angles x and y are supplementary angles. If angle x= 110, find the value of y.

Answer 1

Answer:

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Answer 2

Given,

x and y are supplementary angles.

x = 110°

To find,

The value of y.

Solution,

The value of y will be 70°.

We can easily solve this problem by following the given steps.

We know that the sum of the supplementary angles is 180° whereas the sum of the complementary angles is 90°.

According to the question,

x and y are supplementary angles.

x+y = 180°

Putting the value of x,

110+y = 180°

y = (180-110)° [Moving 110 from the left-hand side to the right-hand side results in the change of the sign from plus to minus.]

y = 70°

Hence, the value of y is 70°.