Question

Find the value of the unknown x in the following diagram ​

Answer 1

Answer:

1. x=65
2. x=60
3. x=30

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Answer 2

$\bold{\underline{ANSWER}}$

Angle sum property of a triangle = 180

angle (a + b + c) = 180

In 4th question

50 + x + x = 180

50 + 2x = 180

2x = 180 - 50

2x = 130

$\bold{\boxed{x = 65}}$

In 5th question

x + x + x = 180

3x = 180

$\bold{\boxed{x = 60}}$

In 6th question

2x + x + 90 = 180

3x = 180 - 90

x = 90/3

$\bold{\boxed{x = 30}}$

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