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24-12-2021
Mathematics

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in the figure given alongside if X=3y find the sizes of angles represented by a and b

in the figure given alongside if X3y find the sizes of angles represented by a and b class=

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24-12-2021

Answer:

Step-by-step explanation:

x = 3y

x + y = 180°

3y + y = 180° ⇒ y = 45° = a

x = 3( 45° ) ⇒ x = 135° = b

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