TEST 13
1.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=20^\circ\)
\(m\left(\widehat{CDE}\right)=60^\circ\)
\(m\left(\widehat{DEF}\right)=70^\circ\)
\(m\left(\widehat{EFG}\right)=120^\circ\)
\(\Rightarrow m\left(\widehat{BCD}\right)=x=?\)
A) \(60\)B) \(70\)C) \(80\)D) \(100\)E) \(110\)
2.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=40^\circ\)
\(m\left(\widehat{BCD}\right)=m\left(\widehat{CDE}\right)\)
\(m\left(\widehat{DEF}\right)=70^\circ\)
\(\Rightarrow m\left(\widehat{EFG}\right)=x=?\)
A) \(20\)B) \(30\)C) \(40\)D) \(70\)E) \(110\)
3.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=40^\circ\)
\(m\left(\widehat{GEF}\right)=50^\circ\)
\(\Rightarrow m\left(\widehat{CDF}\right)=\alpha=?\)
A) \(90\)B) \(180\)C) \(240\)D) \(270\)E) \(290\)
4.
\(d_1\parallel d_2\parallel d_3\)
\(m\left(\widehat{ABD}\right)=100^\circ\)
\(m\left(\widehat{CDB}\right)=m\left(\widehat{BDE}\right)\)
\(\Rightarrow m\left(\widehat{FCD}\right)=\alpha=?\)
A) \(110\)B) \(90\)C) \(70\)D) \(60\)E) \(20\)
5.
\(d_1\parallel d_2\)
\(m\left(\widehat{DBF}\right)=3m\left(\widehat{ABC}\right)\)
\(m\left(\widehat{BFG}\right)=80^\circ\)
\(\Rightarrow m\left(\widehat{ABC}\right)=x=?\)
A) \(25\)B) \(20\)C) \(18\)D) \(15\)E) \(10\)
6.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=120^\circ\)
\(m\left(\widehat{BCD}\right)=40^\circ\)
\(\Rightarrow m\left(\widehat{EDC}\right)=\alpha=?\)
A) \(60\)B) \(70\)C) \(80\)D) \(90\)E) \(110\)
7.
\(d_1\parallel d_2\parallel d_3\)
\(m\left(\widehat{MKG}\right)=40^\circ\)
\(m\left(\widehat{KGF}\right)=50^\circ\)
\(m\left(\widehat{GFE}\right)=70^\circ\)
\(m\left(\widehat{FED}\right)=m\left(\widehat{DEB}\right)\)
\(m\left(\widehat{ABE}\right)=100^\circ\)
\(\Rightarrow m\left(\widehat{EDC}\right)=\alpha=?\)
A) \(90\)B) \(80\)C) \(70\)D) \(60\)E) \(50\)
8.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABD}\right)=130^\circ\)
\(m\left(\widehat{DCE}\right)=120^\circ\)
\(m\left(\widehat{EFG}\right)=70^\circ\)
\(\Rightarrow m\left(\widehat{CEF}\right)=?\)
A) \(90\)B) \(80\)C) \(70\)D) \(60\)E) \(50\)