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3 years ago

A triangle has a angle of x, 40 and 30 what is the angle of x

Mathematics

2 answers:

skad [1K]3 years ago

6 0

Answer:

x = 110

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , then

x + 40° + 30° = 180°

x + 70° = 180° ( subtract 70° from both sides )

x = 110°

kompoz [17]3 years ago

3 0

Sum of interior angles of a triangle = 180°

x+40+30= 180°

x+ 70=180

x= 180-70

x= 110°

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