Question

In the fig: find LBCD.
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Answer 1

Answer:

in quadrilateral abcd

b=120°

d=90°

a=40+20=60°

c=x

as we know that sum of a quadrilateral is 360°

therefore,

a+b+c+d= 360°

60°+120°+x+90° = 360°

270+x = 360

x= 360°-270°

x=90°

c=90°

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Answer 2

Heyaa♡♡

Here is the answer.

Hope it helped you.