in the given figure AC is 1.4 cm and BD if the sum of the length of diagonal is 12 cm,, find OA
,,,OB,,,OC,,,OD..
please give the answer if anyone give my correct answer then I will follow it back
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Answer:
Step-by-step explanation:
OA = OC = 3.35cm
OB = OD = 2.65cm
Explanation:
Sum of diagonals = 12 cm.
AC is 1.4cm more than BD.
AC - BD = 1.4 --- (1)
AC + BD = 12 --- (2)
Adding 1 and 2, we get:
2 AC = 13.4
So AC = 13.4/2 = 6.7 cm
Substituting AC in 2, we get:
6.7 + BD = 12
BD = 12 - 6.7 = 5.3 cm
OA = OC = AC/2 = 6.7/2 = 3.35cm
OB = OD = BD/2 = 5.3/2 = 2.65cm
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