9.04 Triangles

What makes a triangle:

Draw an example of the following types of triangles:

Identify the following triangles as either acute, obtuse, or right-angled:

a

b

c

d

e

f

g

What makes a triangle:

Draw an example of the following types of triangles:

Identify the following triangles as either scalene, isosceles, or equilateral:

a

b

c

d

e

f

g

h

i

j

Categorise the following triangles in terms of the size of their angles and the relative length of their sides:

a

b

c

d

e

f

g

h

Find the value of x in the following diagrams:

a

b

c

d

e

f

g

h

For the following diagrams:

a

b