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Intermediate June 2017 Unit 2 Q14

WJECIntermediateCurrent spec3 marksPythagoras

14. A right-angled triangle LMN is shown below.
LN = 16·9 cm and LM = 6·5 cm.

Right-angled triangle LMN with the right angle at M; LM = 6·5 cm and LN = 16·9 cm

Diagram not drawn to scale

Calculate the length MN. [3]