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pochemuha
3 years ago
5

Right triangle abc has side lengths 15 cm and 20 cm. what is the length of the hypotenuse?

Mathematics
2 answers:
Talja [164]3 years ago
6 0
---------------------------------------
Pythagoras Theorem:
--------------------------------------- 
a² + b² = c²

---------------------------------------
Find hypotenuse:
---------------------------------------
15² + 20²  = c²
c² = 15² + 20²
c² = 225 + 400
c² = 625
c = √625
c =25

------------------------------------------------------------------------------
Answer: The length of the hypotenuse is 25 cm.
------------------------------------------------------------------------------
Svetlanka [38]3 years ago
4 0
By Pythagoras theorem
let h be the length of hypotenuse
15^2+20^2=h^2
h^2=625
h=25
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