Chapter 6:Pythagoras’ Theorem

Right-angled triangle

FIGURE 1 FIGURE 2 FIGURE 3 FIGURE 4

FIGURE 5 FIGURE 6 FIGURE 7 FIGURE 8

FIGURE 1 FIGURE 3FIGURE 4

FIGURE 5FIGURE 6 FIGURE 7FIGURE 8

FIGURE 2

OBJECT OFNON RIGHT-ANGLED TRIANGLES

OBJECT OF RIGHT-ANGLED TRIANGLES

GREEK MATHEMATICIAN PYTHAGORAS OF SAMOS

Hypotenuse

TriangleName each sides of the

triangleIdentify the hypotenuse

Write down the relationship

between the sides of right-angled triangle based on Pythagoras

Theorem

qr

p

1213

5

EG

F

p q r r r2 = p2 + q2

12 5 13 13 132 = 122 + 52

EF FG EG EG EG2 = EF2 + FG2