Question

Find the measure of the supplementary angle of each of the angle with following measure:(i) 100
(ii) 89
(iii) (y - 30)
(iv) 49

Answer 1

y-30 .......................................

Answer 2

Hi ,

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If Sum of any two angles equals to

180° then they are called

Supplementary angles .

If one angle = x

it's supplementary angle = 180 - x

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Now ,

___________________________
x | supplementary angle = 180 - x
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100 | ( 180 - 100 ) = 80°
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89 | ( 180 - 89 ) = 91°
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y - 30 | [ 180 - ( y - 30 ) ]= 210 - y
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49 | ( 180 - 49 ) = 131 °
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I hope this helps you.

: )