P
5. In the adjacent figure,
X is mid-point of PQ and Y is mid-point of PR.
PR = 20 cm; PQ = 15 cm; QR = 18 cm
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What is the length of PX, PY, XQ and YR ?
R
dincont fimure and answer the following questions.
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Answer:
Given: X and Y are mid points of AB and AC respectively.
In △ABC, using mid point theorem
XY∥BC and XY=1/2 BC
Thus, XY=3 cm
Since, D is mid point of AB , BX=1/2
AB=1/2(5.4)=2.7 cm
Also, E is mid point of AC, CY = 1/2
AC=1/2 (5)=2.5 cm
Now, Perimeter of XYCB = XY+YC+BC+XB
Perimeter of XYCB = 3+2.5+6+2.7
Perimeter of XYCB = 3+2.5+6+2.7 = 14.2 cm
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