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16-01-2020
Mathematics

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Can someone plzzz help me with numbers 15 and 16 olzzz show work cuz I don’t understand plzz

Can someone plzzz help me with numbers 15 and 16 olzzz show work cuz I dont understand plzz class=

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teganevans teganevans

16-01-2020

pythagoras says
a squared = b squared + c squared so
xsquared= 21 squared +17 squared
x squared = 441 + 34
x squared = 475
x = squared root of 475
x= 21.79mi

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