20. In the figure at right, ABDC lies in plane k and AD IDC.
1 answer:
The option that's true about the plane illustrated is E. None of these.
<h3>How to illustrate the plane?</h3>From the information given, it should be noted that DBC isn't an isosceles triangle.
Also, from the figure, one can see that DAB isn't similar to DAC.
Likewise, BD and DC aren't perpendicular.
In conclusion, the correct option is E.
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Answer:
<h3>x=60</h3>Step-by-step explanation:
5=k×
k=180
3=180×
x=60