1. Find the angles marked with letters
(Exam Question often want reasons. Ask your teacher if you must write down all
the reasons)
c) t 120⁰; d) t 115⁰.
2. Find the angles marked with letters (Exam Question often want reasons. Ask your teacher if you must write down all the reasons)
b) x 36⁰, y
72⁰, z
72⁰;
c) x 36⁰, y
74⁰, z
74⁰;
d) x 35⁰, y
75⁰, z
75⁰.
3. Find the angles marked with letters.
c) o 72⁰; d) o 74⁰.
4. Find the angles marked with letters.
b) r 20⁰, q
130⁰, p
50⁰;
c) r 25⁰, q
135⁰, p
50⁰;
d) r 25⁰, q
130⁰, p
40⁰.
b) r 76⁰, s
26⁰, v
26⁰;
c) r 76⁰, s
28⁰, v
28⁰;
d) r 75⁰, s
25⁰, v
25⁰.
b) a 90⁰, b
90⁰;
c) a 85⁰, b
85⁰;
d) a 80⁰, b
80⁰.
b) c 64⁰, d
52⁰,
e 52⁰;
c) c 64⁰, d
54⁰,
e 54⁰;
d) c 60⁰, d
50⁰,
e 50⁰.
b) f 50⁰, g
130⁰;
c) f 80⁰, g
100⁰;
d) f 70⁰, g
110⁰.
b) g 55⁰, r
125⁰;
c) g 60⁰, r
120⁰;
d) g 80⁰, r
120⁰.
b) m 72⁰, l 72⁰;
c) m 70⁰, l 70⁰;
d) m 75⁰, l 75⁰.
b) k 74⁰, j
54⁰, i
54⁰;
c) k 72⁰, j
52⁰, i
52⁰;
d) k 70⁰, j
50⁰, i
50⁰.
b) f 142⁰, e
36⁰;
c) f 144⁰, e
38⁰;
d) f 142⁰, e
38⁰.
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