Question

3. Find the length of a line with the following endpoints:

A (2,9) B (5,9)
a) 2 units
b) 5 units
c) 3 units
d) 7 units

Answer 1

• c) 3 units

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Given

• Endpoints A(2, 9) and B(5, 9)

Find the length of AB

Since both y-coordinates are same y = 9, the length of AB is the difference of the x-coordinates:

• AB = 5 - 2 = 3 units

The matching choice is C.