Question

if AII CD Find x
solve please
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Answer 1

View the attachment

• AB||CD

$\\ \sf\longmapsto AB||ED$

$\\ \sf\longmapsto <E=<A=110°$

Sum of two interior angles =exterior angle

$\\ \sf\longmapsto <E+<F=x$

$\\ \sf\longmapsto x=110+20$

$\\ \sf\longmapsto x=130°$