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Working with Pythagoras
This task is about using Pythagoras' theorem to decide whether triangles are right-angled.
Question
1
Change answer
Pythagoras' Theorem:
a
2
+
b
2
=
c
2
Select
Yes
if the triangles listed below are right-angled triangles.
Select
No
if they are not right-angled triangles.
Pythagoras' Theorem:
a
2
+
b
2
=
c
2
Select
Yes
if the triangles listed below are right-angled triangles.
Select
No
if they are not right-angled triangles.
Length of the triangle's sides
Is it right-angled?
a)
2 3 4
Yes
No
Yes
No
b)
5 7 12
Yes
No
Yes
No
c)
8 15 17
Yes
No
Yes
No
d)
9 18 27
Yes
No
Yes
No
e)
12 16 20
Yes
No
Yes
No
f)
30 40 50
Yes
No
Yes
No
