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work out size of angle marked Y

Work Out Size Of Angle Marked Y class=

Sagot :

Answer:

56 degrees

Step-by-step explanation:

a straight line is 180 degrees and the angle given is 124 degrees. you just want to subtract 124 from 180

180-124=56

Answer:

y = 56°

Step-by-step explanation:

y and 124 are adjacent angles and supplementary, sum to 180° , then

y + 124° = 180° ( subtract 124° from both sides )

y = 56°