In a triangle ABC, AB=40 cm BC=9 cm , then find AC
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Answered by
1
Answer:
41 cm
By pythagoras theorem.
AB^2 + BC^2 = AC^2
40^2 +9^2 =AC^2
1600 +81 = AC^2
1681 = AC^2
AC = Square root of 1681 = 41 cm
Answered by
0
Step-by-step explanation:
a^2 +b^2 =c^2
AB ^2 + BC^2= CA ^2
(40)^2+(9)^2=CA^2
1600+81=CA ^2
1681=CA^2
square root of 1681 = CA
CA=41
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