Help on this please

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asked Nov 26, 2018 52.5k views

1 Answer

DanielQ · Answer 1 · 2018-12-01T12:33:34+0000

hey
1.)
by Pythagoras theorem
a²+b²=c²
16²+63²=c²
256+3963=c²
4219=c²
c=√4219 units
c=64.9=65(approx) units

2.) by Pythagoras theorem
c²=a²+b²
(2.9)²=a²+(2.1)²
841=a²+44.1
a²=841-44.1
a²=796.9
a=√796.9 units
a=28.229units
a=28.23 units (approx)

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