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a=9.4 cm
b= 12. 0 cm
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Answer:
a = 9.4, b=12
Step-by-step explanation:
By using Pythagoras theorm
a×a=8×8+5×5
= 64+25
a=✓89
=9.4
By using Pythagoras theorm
b×b= 17×17+12×12
=145
b= √145
= 12
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