Everything Maths Grade 10

b)

M

O

N

P

137 ◦

1

1 57 ◦

123 ◦

c)

G H

K L

60 ◦

60 ◦

1 120 ◦

4.Find anglesa,b,canddin each case, giving reasons:

a)

S

R

P

Q

a

b

d c

73 ◦

b)

A

C

E

B

D

F

K

O

L

M

N

a

b

c

d

100 ◦

Chapter 7. Euclidean geometry 271