Question

If one of the exterior angles of a triangle is 110° and its interior opposite angles are 70° & x° then value of x is​

Answer 1

Answer:

x =40°

Step-by-step explanation:

• sum of all interior angles of a triangle is=180°
• given, angles =70,x,
• given exterior angle=110, them interior angle is 180-110=70°
• now,70+70+x =180°
• 140+x =180°
• x =180-140
• x=40°

Answer 2

Answer:

Given,

1 interior angle - 70

exterior angle - 110

2 interior angle - x (unknown)

WE KNOW THAT 2 OPPOSITE ANGLES OF A TRIANGLE IS EQUAL EXTERIOR ANGLE OF A TRIANGLE

THEREFORE,

70+x = 110

    x   = 110-70

    x   =  40

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