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Sagot :

SWNN
RST est un triangle rectangle en R, donc:

RT ² + RS ² = ST ²
or: RS = 16 cm et ST = 34 cm

Donc:
RT ² = ST ² - RS ²
RT ² = (34)² - (16)²
RT ² = 900
RT = √900
RT = 30 cm

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