ABC is a triangle in which AC=AB=4cm and A =90°.Calculate the the length of the perpendicular from A to BC
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Answer:4^2+4^2=BC^2
16+16=BC^2
BC=√32=4√2cm
side AtoBC = 1×4√2÷2 =2/√2
=2√2/2
=√2
I think u will not understand it but I'm sure that it's correct answer.
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