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Yogita Ingle 4 years, 4 months ago
7246.8 = 7000 + 200 + 40 + 6 + 8/10
= 7 × 103 + 2 × 102 + 4 × 101 + 6 × 100 + 8 × 10-1
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The perimeter of a rectangle is defined as the sum of all the sides of a rectangle.
From the definition of the perimeter we know, the perimeter of a rectangle, p = 2 ( l+b) units
where
“l” is the length of the rectangle
“b” is the breadth of the rectangle
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Yogita Ingle 4 years, 4 months ago
Statement : There is one and only one circle passing through three given noncollinear points.
Given : AB and CD are two equal chords of the circle.
OM and ON are perpendiculars from the centre at the chords AB and CD.
To prove : OM = ON.
Construction : Join OA and OC.
Proof :
In ΔAOM and ΔCON,
OA = OC . (radii of the same circle)
MA = CN . (since OM and ON are perpendicular to the chords and it bisects the chord and AM = MB, CN = ND)
∠OMA = ∠ONC = 90°
ΔAOM ≅ ΔCON (R. H. S)
OM = ON (c. p. c. t.)
Equal chords of a circle are equidistant from the centre.
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