Question

find the measure of supplement of angle 20degree
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Answer 1

#160˚#

Explanation:

Supplementary angles have a sum of #180˚#.

So, the supplement of a #20˚# angle can be found through asking the question:

"#20# plus what gives me #180#?"

This can be written algebraically as:

#20+x=180#

To solve this, subtract #20# from both sides.

#x=160#

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Answer 2

Answer:

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Find the measure of supplement of angle 20°.

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Step-by-step explanation:

➪Supplementary angles have a sum of 180°

➪ This can be written algebraically as:

20+x=180

➪To solve this, subtract 20 from both sides

x=160°

➪Hence, the supplement of a 20˚ angle is a 160˚ angle

➪This can be proven again, since 20+160=180 and supplementary angles have a sum of 180°