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A triangle has vertices A(0, 0), B(4, 0) and C(4, 3). How long is the side AC?

Class 10Classifying Shapes by CoordinatesGeometry — Coordinates

A $7$
B5
C25
D7

Step-by-Step Solution

AC =

(4 - 0)^{2} + (3 - 0)^{2} = 16 + 9 = 25 = 5

. Writing 7 adds the legs 4 + 3 instead of using the distance formula; 25 forgets the square root.

Answer: B) 5

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