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Question
If the coordinates of a triangle are A(2,1), B(6,1), C(6,5) then find the length of BC.
If the coordinates of a triangle are A(2,1), B(6,1), C(6,5) then find the length of BC.
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Solution
The correct option is B 4 units
Given A = (2,1), B = (6,1) and C = (6,5).
x-coordinates of B and C are the same so BC is parallel to Y-axis.
∵ The distance between the points on a line Y-axis is the difference of their y-coordinates
∴ BC = ∣∣5−1∣∣
= 4 units
4 units
Given A = (2,1), B = (6,1) and C = (6,5).
x-coordinates of B and C are the same so BC is parallel to Y-axis.
∵ The distance between the points on a line Y-axis is the difference of their y-coordinates
∴ BC = ∣∣5−1∣∣
= 4 units
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