TEST 2
1.
\(d_1\parallel d_2\)
\(m\left(\widehat{BCD}\right)=175^\circ\)
\(m\left(\widehat{GBC}\right)=70^\circ\)
\(m\left(\widehat{CDF}\right)=\alpha\)
\(\Rightarrow\alpha=?\)
A) \(85\)B) \(95\)C) \(100\)D) \(104\)E) \(105\)
2.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=110^\circ\)
\(m\left(\widehat{BCD}\right)=70^\circ\)
\(m\left(\widehat{DEF}\right)=60^\circ\)
\(m\left(\widehat{EFG}\right)=140^\circ\)
\(m\left(\widehat{CDE}\right)=\alpha\)
\(\Rightarrow\alpha=?\)
A) \(10\)B) \(20\)C) \(30\)D) \(40\)E) \(50\)
3.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=10x\)
\(m\left(\widehat{BCD}\right)=12x\)
\(m\left(\widehat{CDE}\right)=14x\)
\(\Rightarrow m\left(\widehat{CDE}\right)=?\)
A) \(30\)B) \(70\)C) \(80\)D) \(110\)E) \(140\)
4.
\(d_1\parallel d_2\parallel d_3\)
\(m\left(\widehat{ABC}\right)=100^\circ\)
\(m\left(\widehat{CDE}\right)=110^\circ\)
\(m\left(\widehat{BCD}\right)=m\left(\widehat{DCF}\right)\)
\(m\left(\widehat{CFG}\right)=\alpha\)
\(\Rightarrow\alpha=?\)
A) \(110\)B) \(120\)C) \(130\)D) \(140\)E) \(150\)
5.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=50^\circ\)
\(m\left(\widehat{GEF}\right)=110^\circ\)
\(m\left(\widehat{GDA}\right)=\alpha\)
\(\Rightarrow\alpha=?\)
A) \(20\)B) \(30\)C) \(40\)D) \(50\)E) \(60\)
6.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABF}\right)=m\left(\widehat{FBC}\right)\)
\(m\left(\widehat{FDE}\right)=m\left(\widehat{CDF}\right)\)
\(m\left(\widehat{BFD}\right)=150^\circ\)
\(m\left(\widehat{BCD}\right)=\alpha\)
\(\Rightarrow\alpha=?\)
A) \(60\)B) \(70\)C) \(100\)D) \(110\)E) \(130\)
7.
\(d_1\parallel d_2\)
\(m\left(\widehat{ABC}\right)=140+x\)
\(m\left(\widehat{BCD}\right)=3x\)
\(\Rightarrow x=?\)
A) \(5\)B) \(10\)C) \(11\)D) \(12\)E) \(13\)
8.
\(d_1\parallel d_2\)
\(m\left(\widehat{ACD}\right)=80^\circ\)
\(m\left(\widehat{CDB}\right)=m\left(\widehat{BDE}\right)\)
\(\Rightarrow m\left(\widehat{ABD}\right)=?\)
A) \(50\)B) \(70\)C) \(100\)D) \(130\)E) \(150\)