Question

131° 1079

47°
х
o
XE
Enter the number that goes in the green box.
[?]
Enter

Answer 1

x=75

Explanation:

Sum of the interior angles of a trapezoid = 360°

That being said we can calculate the measure of the missing angle (x) by subtracting the given angles (131, 107 and 47) from 360

so x = 360 - 131 - 107 - 47

360 - 131 = 229

229 - 107 = 122

122 - 47 = 75

so x = 75