taraprasad taraprasad

18-12-2020
Mathematics

contestada

8.) Find the value of x.

80°
100 + X
40°

HELP ME PLEASE

Respuesta :

umairkazi924 umairkazi924

19-12-2020

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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