find the length of the missing side in simplest form
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by applying Pythagoras theorem
(25)^2 = a^2 + (15)^2
a^2 = 625 - 225 = 400
a=√400
a= 20
Answered by
1
Answer:
a)20
Step-by-step explanation:
consider 25= AC
15=BC
AC is hypothesis
therefore the Pythagoras theorem is applicable
I.e AC ^2=BC ^2+AB^2
25^2=15^2+AB^2
625=225+AB^2
AB^2=625-225
AB^2=400
AB= sqareroot of 400
AB=20
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