If D, E and F are midpoint of AB, AC and BC, find
perimeter of ∆DEF.
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2
D = 2.5 cm
E = 2 cm
F = 3 cm
step by step explanation
AB =5 cm
BC = 6 cm
AC =4 cm
D = ½ AB
D = ½ × 5
D = 2.5 cm
E = ½ AC
E = ½ × 4
E = 2 cm
F = ½ × BC
F = ½ × 6
F = 3 cm
perimeter of triangle DEF = a + b + c
= 2.5 + 2 +3
= 7.5 cm
Answered by
0
Perimeter of ∆DEF = 6.4 cm
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