how to find the length of AB and BC
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Hello,
(i)from the graph, we can get the co-ordinates of the point:
A(4,0)
(ii)
we calculate the length of the segments using the following formula:
d=√(x₂-x₁)²+(y₂-y₁)²
so you have:
AB=√(-2-4)²+(3-0)²=√(2)²+(3)²=√36+9=√45=√9×5=3√5
and
AC=√(-2-4)²+(-4-0)²=√(-6)²+(-4)²=√36+16=√52=√4×13=2√13
bye :-)
(i)from the graph, we can get the co-ordinates of the point:
A(4,0)
(ii)
we calculate the length of the segments using the following formula:
d=√(x₂-x₁)²+(y₂-y₁)²
so you have:
AB=√(-2-4)²+(3-0)²=√(2)²+(3)²=√36+9=√45=√9×5=3√5
and
AC=√(-2-4)²+(-4-0)²=√(-6)²+(-4)²=√36+16=√52=√4×13=2√13
bye :-)
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