Introducing Pythagoras' Theorem
Calculate these squares
4=
11=
1.5=
22 + 5=
122 + 17
Write True or False for these equations
22 + 32 = 42

62 + 82 = 102

52 – 32 = 42

102 – 52 = 52
Click on the HYPOTENUSE, the longest side.
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Click on the HYPOTENUSE, the longest side.
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Click on the HYPOTENUSE, the longest side.
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(careful, the hypotenuse is a side, not an angle)
Click on the HYPOTENUSE, the longest side.
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(careful, the hypotenuse is a side, not an angle)
Click on the HYPOTENUSE, the longest side.
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What number is written on the hypotenuse
What number is written on the hypotenuse
The other sides of a right Δ
are called the legs.

The side across from
angle A is OPPOSITE angle A
HYPOTENUSE
?
C
Side Opposite ∡ A
?
B
A
C
Identify the hypotenuse
and the side opposite ∡C
hypotenuse
?
side
opposite
∡ C
?
B
A
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