Use these words to describe these angles

giúp mình với
----- Nội dung dịch tự động từ ảnh -----
Vert
actice, practice, practice!
1 Look at the diagram on the right.
Use these words to describe these angles.
reflex
straight
acute
obtuse
C LFBE
a LBCD
b LAGF
e the exterior 250° angle at G
right
c Which line is parallel to BE?
d Are BF and FG perpendicular?
e Which lines are perpendicular to CD?
d LGFE
2 Look at the diagram in Ql.
a Which symbol is used to show parallel lines?
b Which line is parallel to GE?
C
3 LABC and LCBD join together to make a straight line.
a From the list below, choose two angles which
could be the angles shown in the diagram.
38° 143° 39° 153° 37°
152°
b Explain why you chose these two angles.
8 cm
B
A
A
D
70°
40°
E
B
110°
5.8 cm
F
4 cm
D