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21 April, 13:54

Diagram NOT accurately drawn

In this quadrilateral, the sizes of the angles, in degrees, are

x + 10

2x

2x

50

(a) Use this information to write down an equation in terms ofx.

.

(b) Work out the value of x.

+3
Answers (2)
  1. 21 April, 14:52
    0
    5x+60 = 360, x = 60
  2. 21 April, 17:03
    0
    5x+60 = 360, x = 60

    Step-by-step explanation:

    Ok, so the key to this problem is to realize that all angles added up in a quadrilateral give you 360 degrees. This means that x+10 + 2x + 2x + 50 = 360. Then we can just simplify to 5x + 60 = 360, 5x = 300, and x = 60.
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