The figure created by plotting the points A(-1,-3), B(2, 4), C(-1, 6) and D (-4, 4) is a kite.The length of BC and DC isAnswer 1 Question 12
Question
The figure created by plotting the points A(-1,-3), B(2, 4), C(-1, 6) and D (-4, 4) is a kite.The length of BC and DC isAnswer 1 Question 12
Solution
To find the length of BC and DC, we can use the distance formula which is sqrt[(x2-x1)^2 + (y2-y1)^2].
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Length of BC: B(2,4) and C(-1,6)
BC = sqrt[(2-(-1))^2 + (4-6)^2] = sqrt[(3)^2 + (-2)^2] = sqrt[9 + 4] = sqrt[13]
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Length of DC: D(-4,4) and C(-1,6)
DC = sqrt[(-4-(-1))^2 + (4-6)^2] = sqrt[(-3)^2 + (-2)^2] = sqrt[9 + 4] = sqrt[13]
So, the length of BC and DC is sqrt[13] units.
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