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MAXImum [283]
2 years ago
12

Solve for x pls: Options: a) -11 b) 80 c) 51 d) -14

Mathematics
2 answers:
myrzilka [38]2 years ago
4 0

Answer:

x = -11

Step-by-step explanation:

Let the Triangle be named 'ABC'

In Triangle ABC,

∠A = x + 51

∠B = 80               (Intersecting lines, Vertically opposite Angles)

∠C = 60               (Intersecting lines, Vertically opposite Angles)

∠A + ∠B + ∠C = 180  (Sum of angles of Triangle = 180)

x + 51 + 80 + 60 = 180

=> x + 191 = 180

=> x = 180 - 191

=> x = -11

Oduvanchick [21]2 years ago
4 0

Answer:

-11

Step-by-step explanation:

Sum of all angles of triangle = 180

x + 51 + 80 + 60 = 180

x + 191 = 180

x = 180 -191

x = -11

Hint : VOA - Vertically opposite angles are congruent

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