1. Find the angles marked with letters.
b) l 55⁰, u
55⁰;
c) l 60⁰, u
60⁰;
d) l 50⁰, u
50⁰.
2. Find the angles marked with letters.
b) y 60⁰, w
110⁰;
c) y 70⁰, w
110⁰;
d) y 75⁰, w
115⁰.
3. Find the angles marked with letters.
b) a 28⁰, b
152⁰;
c) a 26⁰, b
152⁰;
d) a 30⁰, b
150⁰.
4. Find the angles marked with letters.
b) c 25⁰, d
135⁰, е 155⁰;
c) c 25⁰, d
130⁰, е 160⁰;
d) c 25⁰, d
130⁰, е 155⁰.
5. Find the angles marked with letters.
b) g
114⁰, h
114⁰, f 35⁰;
c) g 114⁰, h
114⁰, f 33⁰;
d) g
115⁰, h
115⁰, f 35⁰.
b) i 85⁰, j
85⁰, k
85⁰;
c) i 95⁰, j
95⁰, k
95⁰;
d) i 80⁰, j
80⁰, k
80⁰.
b) m 94⁰, n 94⁰, l 42⁰;
c) m 96⁰, n 96⁰, l 44⁰;
d) m 95⁰, n 95⁰, l 45⁰.
b) 60⁰, p
130⁰;
c) o 60⁰, p
120⁰;
d) 70⁰, p
110⁰.
b) r 45⁰, s
130⁰, q 45⁰;
c) r 40⁰, s
135⁰, q 40⁰;
d) r 45⁰, s
135⁰, q 45⁰.
b) t 60⁰, u
60⁰;
c) t 70⁰, u
70⁰;
d) t 65⁰, u
65⁰.
11. Find the angles marked with letters (Exam Question often want reasons. Ask your teacher if you must write down all the reasons)
b) f 60⁰, g
60⁰;
c) f 70⁰, g
70⁰;
d) f 40⁰, g
40⁰.
12. Find the angles marked with letters (Exam Question often want reasons. Ask your teacher if you must write down all the reasons)
b) h 45⁰, i 95⁰;
c) h 50⁰, i 110⁰;
d) h 40⁰, i 120⁰.
Комментариев нет:
Отправить комментарий