If the side AB of an equilateral triangle ABC is equal to 12 cm. Calculate the length( in cm) of the AO, if O is the centroid of the triangle.
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A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is
The two lines 4x+3y=0 and 7x+5y=0 will ______ in their graphical representation.
15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?
In the following question, select the odd word from the given alternatives.
Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is
The square root of 3249 is
PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is
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