S
z= 110°
Activity 4
Work with intersecting lines
1 Find the values of x, y and z in each diagram. Give reasons.
a
X 81°
b
137° 2x+15°
CH
41 x
102
Z
2 Find the values of x, y and z in each diagram. Give reasons.
a
3y
x
b
65°
3x+12°
120°
zxy
3x-15°
2x+10°
Term 2
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