Question

maths class 7 find the value of x and y​

Answer 1

Answer:

y=140°vertically opposite angles

x=40°vertically opposite angles

Step-by-step explanation:

another method is

40°+y=180°linear pair

y=180°-40°

y=140°

similarly,

140°+x=180°linear pair

x=180°-140°

x=40°

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Answer 2

Answer:

$\: \: \: \: \: \: \: there \: \: are \: \: two \: \: methods \: \: of \: \: \\ solving \: \: this \: \: question \: \\ here \: \: is \: \: the \: \: first \: \: one\\ 40 + y = 180(linear \: \: pair) \\ y = 180 - 40 \\ y = 140 \\ 140 + x = 180(linear \: \: pair) \\ x = 180 - 140 \\ x = 40 \\ here \: \: is \: \: the \: \: second \: \: one \\ x \: = 40(vertically \: \: opposite \: \: angles) \\ y = 140(vertically \: \: opposite \: \: angles)$

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