Examples with solutions for Parts of a Triangle: Using parallel lines

Exercise #1

AB || CD

x = 80

Calculate the size of the α \alpha .

AAABBBCCCDDDxα70β

Video Solution

Answer

30

Exercise #2

AB||CD

x = 50

Calculate the size of angle α \alpha .

AAABBBCCCDDDx63αβ

Video Solution

Answer

67

Exercise #3

AB || CD

Calculate the size of the angle α \alpha .

AAABBBCCCDDDxα77β120

Video Solution

Answer

43

Exercise #4

AB || CD

Calculate the size of angle α \alpha .

AAABBBCCCDDDx47αβ131

Video Solution

Answer

84