TEST 11
1.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=2x\)
\(m\left(\widehat{CDE}\right)=3x\)
\(m\left(\widehat{BCD}\right)=100^\circ\)
\(\Rightarrow x=?\)
A) \(10\)B) \(15\)C) \(20\)D) \(25\)E) \(30\)
2.
\(d_1\parallel d_2\)
\(m\left(\widehat{CBA}\right)=70^\circ\)
\(m\left(\widehat{BDE}\right)=150^\circ\)
\(\Rightarrow m\left(\widehat{DEF}\right)=\alpha=?\)
A) \(40\)B) \(60\)C) \(80\)D) \(100\)E) \(110\)
3.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=30^\circ\)
\(m\left(\widehat{CDE}\right)=110^\circ\)
\(\Rightarrow m\left(\widehat{BCD}\right)=\alpha=?\)
A) \(140\)B) \(130\)C) \(120\)D) \(110\)E) \(100\)
4.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=m\left(\widehat{CBD}\right)\)
\(m\left(\widehat{BDE}\right)=100^\circ\)
\(m\left(\widehat{CEF}\right)=20^\circ\)
\(\Rightarrow m\left(\widehat{BCE}\right)=\alpha=?\)
A) \(90\)B) \(80\)C) \(70\)D) \(60\)E) \(50\)
5.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABD}\right)=m\left(\widehat{CBD}\right)\)
\(m\left(\widehat{CED}\right)=m\left(\widehat{DEF}\right)\)
\(m\left(\widehat{BDE}\right)=50^\circ\)
\(\Rightarrow m\left(\widehat{BCE}\right)=\alpha=?\)
A) \(25\)B) \(50\)C) \(75\)D) \(90\)E) \(100\)
6.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=2m\left(\widehat{CBD}\right)\)
\(m\left(\widehat{CEF}\right)=2m\left(\widehat{DEC}\right)\)
\(m\left(\widehat{BDE}\right)=40^\circ\)
\(\Rightarrow m\left(\widehat{BCE}\right)=\alpha=?\)
A) \(20\)B) \(40\)C) \(60\)D) \(80\)E) \(120\)
7.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=40^\circ\)
\(m\left(\widehat{BCD}\right)=30^\circ\)
\(m\left(\widehat{CDE}\right)=50^\circ\)
\(m\left(\widehat{DEF}\right)=70^\circ\)
\(\Rightarrow m\left(\widehat{EFG}\right)=\alpha=?\)
A) \(10\)B) \(20\)C) \(30\)D) \(40\)E) \(50\)
8.
\(d_1\parallel d_2\)
\(m\left(\widehat{KGF}\right)=40^\circ\)
\(m\left(\widehat{FED}\right)=60^\circ\)
\(m\left(\widehat{EDC}\right)=100^\circ\)
\(m\left(\widehat{BCA}\right)=80^\circ\)
\(\Rightarrow m\left(\widehat{GFE}\right)=\alpha=?\)
A) \(50\)B) \(60\)C) \(70\)D) \(80\)E) \(90\)