To find the value of x, we need to use the fact that the sum of the angles in a triangle is 180 degrees.
So, we have: 68 + 81 + 48 + x = 180
Combine the known angles: 197 + x = 180
Subtract 197 from both sides: x = 180 - 197
x = -17
Therefore, the value of x is -17.
#13 Find the value of x. The diagram is not to scale.
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1 point
Captionless Image
68°
81°
48°
99°
1 answer