Pythagoras' Theorem
Converse of Pythagoras' theorem
Interactive practice questions
Consider a triangle whose shortest sides have lengths $6$6 and $8$8. The longest side of the triangle has a length of $c$c.
a
What must the value of $c$c be if the triangle has a right angle?
b
If $c=12$c=12, then which of the following correctly describes the triangle?
Right angled
A
Obtuse
B
Acute
C
c
If $c=9$c=9, then which of the following correctly describes the triangle?
Acute
A
Obtuse
B
Right angled
C
Easy
1min
Consider three straight lines with lengths $8$8, $6$6 and $19$19 units.
Easy
< 1min
Consider three straight lines with lengths $9$9, $12$12 and $14$14 units.
Easy
1min
Consider three straight lines with lengths $8$8, $6$6 and $12$12 units.
Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account