Lena’s guest house is 15 m long and 12 m wide. How long is the diagonal of the house?
2 answers:
Answer : 19.21m
(split the house into 2 right angle triangles)
(using pythagoras - a^2+b^2+c^2)
15^2 + 12^2 = d^2
225 + 144 = d^2
369=d^2
d=(square root of 369)
d=19.2094
which rounds to 19.21
Lena’s guest house is 8 m long
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