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dmitriy555 [2]
3 years ago
8

8.) Find the value of x. 80° 100 + X 40° HELP ME PLEASE

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

In a triangle,

3 angles are:

80

100 + x

40

By angle sum property of triangle,

80 + 100 + x + 40 = 180

220 + x = 180

x = 180 - 220

x = -40

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