Measure of Pairs of Angles: Calculate the measure for 160 degrees
or
20 degrees
or
180 degrees
or
90 degrees

The angle vertical to 160 is also 160.

So you have 320

You have 320 out of a full circle, 360.

If there's two angles left, equal to each other

Then they each would be 20 degrees.

I'm not sure what you tried to solve for but I guess this is a simple rundown of the image.

The remaining angles are 20°, 160° and 20°

Step-by-step explanation:

Since a circle has 360° and one angle is know, the remaining angles can be found.

Angle U = 160° and the angle in the opposite side must be equal to Angle U so the angle opposite to U is 160° as well.

The remaining two angles are equal to each other and since the total degrees must be 360° and 2 angles are known, we can solve for the remaining angles.

Let's say the remaining angles are values "x".

360° must equals 160° + 160° + x + x

360 = 160 + 160 + x + x

360 = 320 + 2x

40 = 2x

x = 20

The remaining two angles are 20°

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step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this