Geometry Practice Test 4

Question : 14 of 40

Marks: +1, -0

The mid-points of AB and AC of ΔABC are respectively X and Y. If BC + XY = 12 units, then the value of BC - XY is:

Solution:

x, y are mid points of AB, AC
BC + XY = 12
Let us suppose that
x = XY
BC = 2x
x + 2x = 12
3x = 12
x =

{12}/3

= 4
XY = 4 BC = 8 units
BC - XY = 8 - 4 = 4 units

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